| 单词 | Y chromosome |
| 例句 | "It's on the Y chromosome, I think," Wolff said, laughing, explaining that male rail fans outnumber female ones. When that lonesome whistle blows, rail fans know where to line up 2011-03-23T20:53:00Z "Not everyone with a Y chromosome is a man," she says before speaking the core truth of that tragedy, one that speaks to the obstacle getting in the way of understanding each other even now. "Y: The Last Man" presents a fascinating dystopia that probes the artifacts of our gendered world 2021-09-14T04:00:00Z Despite spending 62 years as a man, I have never quite worked out what the possession of my defining Y chromosome implies. The search for my inner ‘hero’: a modern masculinity retreat 2018-12-15T05:00:00Z Last time I looked, Melissa McCarthy doesn't have a Y chromosome. Kimmel, Covfefe, ‘Wonder Woman’: Washington’s Views on Pop Culture in 2017 2017-12-26T05:00:00Z Oh, did I forget to mention that the viral apocalypse in question only killed humans with Y chromosomes? ‘Creamerie’ Review: Where the Boys Aren’t 2023-07-18T04:00:00Z When an apocalyptic event wipes out every living creature on the planet with a Y chromosome, he's the only cisgender human male left alive. "Y: The Last Man" presents a fascinating dystopia that probes the artifacts of our gendered world 2021-09-14T04:00:00Z Comics series by Brian K. Vaughan and Pia Guerra, “Y” imagines a world in which almost everyone with a Y chromosome dies abruptly. Amber Tamblyn Goes Dancing With Bowling Shoes 2021-09-24T04:00:00Z “It’s as if that Y chromosome they hold entitles them to self-discovery, to reinvention.” Review | In ‘The Book of Two Ways,’ Jodi Picoult delivers another powerful story about heart-wrenching moral choices 2020-09-22T04:00:00Z Newman’s book, scheduled for June, imagines a post-male society in which people with the Y chromosome have disappeared. Judges pull award nomination for book by Lauren Hough 2022-03-23T04:00:00Z Then, imagine that the virus only affects people with Y chromosomes, i.e. mostly men. After a dystopian "mandemic," the wacky "Creamerie" pokes at the remaining "inequities among women" 2023-07-29T04:00:00Z Back in 1990, comics pretty much looked like a Y chromosome. 25 Years of Drawn & Quarterly, Champion of Female Cartoonists 2015-06-12T04:00:00Z The phrase “real men” was worse than meaningless: it suggested that basic empathy and compassion were somehow masculine qualities, found only in the carriers of sturdy, untainted Y chromosomes. Sorry, Nev Schulman: Real men don’t tweet about what “real men” do 2014-09-16T04:00:00Z In the world outside sitcoms and Old Spice commercials, the bearers of Y chromosomes worry about a lot of things — money, health, marriages, raising our kids. High Manxiety 2011-05-26T07:10:00Z But we've created a show where those with, well now we know not everyone, but those with Y chromosomes were wiped out. After a dystopian "mandemic," the wacky "Creamerie" pokes at the remaining "inequities among women" 2023-07-29T04:00:00Z My ex is the source of the Y chromosome that made our son. Our Kinder, Gentler, Nobody-Moves-Out Divorce 2022-01-14T05:00:00Z The novel, “The Men,” which is set to be published in June, describes a scenario in which “all people with a Y chromosome mysteriously disappear from the face of the earth,” according to Newman’s publisher. Lauren Hough Loses Lambda Prize Nomination After a Twitter Feud 2022-03-21T04:00:00Z The things fathers pass on to their sons extend far beyond the dominion of the Y chromosome. What My Father Gave Me 2018-06-16T04:00:00Z Such untraditional content is a survival strategy for glossies with a Y chromosome tilt in this homo novus era, where every reference to masculinity wears an implied “toxic” like a hair shirt. As Men Are Canceled, So Too Their Magazine Subscriptions 2019-11-02T04:00:00Z NO...from being treated as second-class citizens, whether it be in employment, pay scales, admission to elite colleges and a few other things heretofore giving us with a Y chromosome unfair advantages. Dear Movie Industry, We Have Thoughts 2018-05-02T04:00:00Z However, even if it did disappear, there are a few animals the males don’t even have detectable Y chromosomes, but they’re still male. The future of sex 2012-09-19T19:20:00Z There’s only about two regions on a Y chromosome that are essential for being male, and what happens in these animals is that these bits of the Y chromosome have jumped onto another chromosome. The future of sex 2012-09-19T19:20:00Z In this adaptation of the comic book series, the apocalypse has wiped out all mammals with a Y chromosome — except for one man and his pet monkey. Fall TV season serves up what viewers want: sci-fi, fantasy 2021-09-02T04:00:00Z There’s almost always a Y chromosome at the center. 'Diary of a Teenage Girl' aims for a coming-of-age rarity 2015-03-19T04:00:00Z The Vertigo title was first launched in 2002 and revolves around Yorick Brown — the last surviving human with a Y chromosome — and his Capuchin monkey, Ampersand. 'Y: The Last Man' Could Be Coming to TV 2015-10-14T04:00:00Z If you read Maureen Dowd’s questioning of the Y chromosome and the history of it, and what may happen to it, she argues that women might be O.K. without us. | Jeff Goldblum, Star of the Off-Broadway Play ‘Domesticated’ 2013-12-18T19:45:29Z Mr. Cumming and his brother swabbed their saliva for a DNA test to find out if they share a Y chromosome. For Alan Cumming, Life Isn’t Always a Cabaret 2014-10-03T04:00:00Z Since we know Julia has had plenty of experience, Winston’s flaccid personality seems less a commentary on people with Y chromosomes than a knock on one specific erstwhile hero. A feminist take on Orwell's '1984' reads like the original — only better 2023-10-20T04:00:00Z Patterns of variation in the Y chromosome, which is paternally inherited, and in mitochondrial DNA, which is maternally inherited, can reveal differences in how males and females dispersed after reaching maturity. The Theory That Men Evolved to Hunt and Women Evolved to Gather Is Wrong 2023-10-17T04:00:00Z So when the 72nd edition of the pageant occurs on Nov. 18 in El Salvador, it will have two gowned contestants with Y chromosomes. Ocasio-Cortez and other America-hating congresswomen side with Hamas 2023-10-15T04:00:00Z Ya know, the kind that can give birth and breastfeed and menstruate and lack a Y chromosome. Riley Gaines launches Real Women’s Day to laud biological females versus ‘honoring men’ 2023-10-10T04:00:00Z In humans, for example, the presence of the sex-determining "Y chromosome" decides whether a man will be born. Proteins roll the dice to determine bee sex 2023-10-04T04:00:00Z Trans activists believed Newman negated the lives of people with Y chromosomes. A feminist take on Orwell's '1984' reads like the original — only better 2023-10-20T04:00:00Z For many years, the human Y chromosome was terra incognita. The Complete Human Y Chromosome Marks an Opportunity to Move Away from Stigma 2023-09-27T04:00:00Z Researchers have accomplished what was once considered an impossible task: fully sequencing not just one Y chromosome, but dozens of them from men from around the world. RSV vaccine, scientific advisory panels, and a biodiversity hot spot at risk 2023-08-23T04:00:00Z Fully sequencing the Y chromosome was once considered an impossible task. ‘Most troublesome chromosome’ gets new respect after full sequence 2023-08-23T04:00:00Z But until now, the Y chromosome part of the human genome had contained big gaps. Scientists solve the genetic puzzle of sex-related Y chromosome 2023-08-23T04:00:00Z As men get older, they become more vulnerable to another type of mosaicism in which the Y chromosome vanishes from some of their cells. Your cells don’t have the genome you were born with. Project aims to chart impact of new mutations 2023-08-15T04:00:00Z But more than 50 percent of the Y chromosome remained unknown because of the challenges posed by its highly repetitive DNA. The Complete Human Y Chromosome Marks an Opportunity to Move Away from Stigma 2023-09-27T04:00:00Z Separately in Nature, a second team reports sequencing 43 more Y chromosomes collected from 21 populations. RSV vaccine, scientific advisory panels, and a biodiversity hot spot at risk 2023-08-23T04:00:00Z Now, using state-of-the-art techniques, researchers report today in a pair of papers in Nature that they have succeeded in sequencing not just one Y chromosome, but dozens from men from around the world. ‘Most troublesome chromosome’ gets new respect after full sequence 2023-08-23T04:00:00Z "The Y chromosome is the smallest and the fastest-evolving chromosome in the human genome, and also the most repetitive, meaning that its DNA contains stretches of DNA repeated many times over," Cechova added. Scientists solve the genetic puzzle of sex-related Y chromosome 2023-08-23T04:00:00Z "It contains a protein with links to either the X or Y chromosome, which means it can be used to determine sex. This is useful because this protein survives well compared to DNA." Isles of Scilly Iron Age warrior was probably a woman 2023-07-27T04:00:00Z Then, in August, the Y chromosome became the last human chromosome to be completely sequenced. The Complete Human Y Chromosome Marks an Opportunity to Move Away from Stigma 2023-09-27T04:00:00Z Another approach to the molecular understanding of human evolution is to examine the Y chromosome, which is passed from father to son. Fundamentals of Biology 2015-01-01T00:00:00Z Some researchers have argued that this degeneration could gradually continue, possibly leading to the loss of the Y chromosome altogether, as has happened in some lineages of animals. ‘Most troublesome chromosome’ gets new respect after full sequence 2023-08-23T04:00:00Z The first complete human genome - albeit with the Y chromosome partial - was published last year. Scientists solve the genetic puzzle of sex-related Y chromosome 2023-08-23T04:00:00Z Although the Y chromosome contains a small region of similarity to the X chromosome so that they can pair during meiosis, the Y chromosome is much shorter and contains fewer genes. Concepts of Biology 2013-04-25T00:00:00Z The Y chromosome’s completion caps a history of ideology and superstition about genetics and human behavior that is illustrative of how people can use genetics to dehumanize those viewed as “disabled.” The Complete Human Y Chromosome Marks an Opportunity to Move Away from Stigma 2023-09-27T04:00:00Z This evidence suggests that all men today inherited a Y chromosome from a male that lived in Africa about 140,000 years ago. Fundamentals of Biology 2015-01-01T00:00:00Z Despite its small size, the Y chromosome was hard to sequence. ‘Most troublesome chromosome’ gets new respect after full sequence 2023-08-23T04:00:00Z Fully sequencing the Y chromosome adds to this. Scientists solve the genetic puzzle of sex-related Y chromosome 2023-08-23T04:00:00Z In mammals, the presence of a Y chromosome causes the development of male characteristics and its absence results in female characteristics. Concepts of Biology 2013-04-25T00:00:00Z The Y chromosome is mainly known for its role in sexual development. The Complete Human Y Chromosome Marks an Opportunity to Move Away from Stigma 2023-09-27T04:00:00Z They found the turtle virus and turtle DNA, but they also found long stretches of human DNA, intact enough that sequencing programs could easily recognize X and Y chromosomes. Privacy concerns sparked by human DNA accidentally collected in studies of other species 2023-05-15T04:00:00Z Now, the team has analyzed and detailed the complex arrangement of 62 million bases from the Y chromosome, adding 30 million that were previously missing after earlier partial sequencing attempts. ‘Most troublesome chromosome’ gets new respect after full sequence 2023-08-23T04:00:00Z The Y chromosome's genes help govern crucial reproductive functions including sperm production, formally called spermatogenesis, and are even involved in cancer risk and severity. Scientists solve the genetic puzzle of sex-related Y chromosome 2023-08-23T04:00:00Z “Simply put, we found no Y chromosomes in G’s genome. But we couldn’t be completely sure and we wanted to have the results confirmed.” DNA: Woman was on famed 17th century Swedish warship 2023-04-04T04:00:00Z Since the Y chromosome’s discovery in 1905, society has fixated on its significance far more intensely than that of any other chromosome, and has largely done so while operating in an absence of scientific knowledge. The Complete Human Y Chromosome Marks an Opportunity to Move Away from Stigma 2023-09-27T04:00:00Z By comparison, the Y chromosome, passed from father to son, was chock-full of Asian DNA that the researchers found was common in modern-day Iran. DNA Confirms Oral History of Swahili People 2023-03-29T04:00:00Z “I was surprised to see the extent of copy number variation for certain genes on the Y chromosome,” Lee says. ‘Most troublesome chromosome’ gets new respect after full sequence 2023-08-23T04:00:00Z The new fuller understanding of the Y chromosome's genes offers promise for practical applications including in fertility-related research, according to the researchers. Scientists solve the genetic puzzle of sex-related Y chromosome 2023-08-23T04:00:00Z The Y chromosomes from the five men matched each other — but they didn’t match the composer’s. What made Beethoven sick? DNA from his hair offers clues 2023-03-22T04:00:00Z Early studies of the Y chromosome were tinged with eugenics. The Complete Human Y Chromosome Marks an Opportunity to Move Away from Stigma 2023-09-27T04:00:00Z The analysis also yielded a surprise: Beethoven’s Y chromosome didn’t match those from living relatives. Beethoven’s DNA decoded from locks of hair saved by his fans 2023-03-22T04:00:00Z For example, one man’s Y chromosome had 23 copies of a gene called TSPY, which is thought to be involved in the formation of sperm, whereas another had 39 copies. ‘Most troublesome chromosome’ gets new respect after full sequence 2023-08-23T04:00:00Z In addition to identifying some additional Y chromosome genes, the researchers found that some DNA from the chromosome had been mistaken in previous studies as bacterial in nature. Scientists solve the genetic puzzle of sex-related Y chromosome 2023-08-23T04:00:00Z The researchers discarded the Y chromosome and duplicated the X chromosome. Mice with Two Fathers? Researchers Develop Egg Cells from Male Mice 2023-03-15T04:00:00Z From the 1930s through the 1990s, poorly founded studies reported that the Y chromosome was tied to intellectual disabilities. The Complete Human Y Chromosome Marks an Opportunity to Move Away from Stigma 2023-09-27T04:00:00Z There is also a method called Y-STR that uses the same process but focuses specifically on the Y chromosome, which is found only in males. DNA evidence likely key in Idaho murder case. How does testing, use in court work? 2023-01-11T05:00:00Z That level of organization and conservation of DNA suggests the Y chromosome isn’t degenerating into obsolescence, Jobling says. ‘Most troublesome chromosome’ gets new respect after full sequence 2023-08-23T04:00:00Z "We now have a recipe on how to assemble the Y chromosome fully, which, while expensive at the moment, can translate into personalized genomics in the future," Cechova said. Scientists solve the genetic puzzle of sex-related Y chromosome 2023-08-23T04:00:00Z But scrutinizing the specific role of X and Y chromosomes is challenging. Scientists Created Male and Female Cells from a Single Person 2022-12-21T05:00:00Z When coupled with sexist beliefs that men are inherently aggressive, this led to routes of inquiry that tied aggression and violence to the Y chromosome. The Complete Human Y Chromosome Marks an Opportunity to Move Away from Stigma 2023-09-27T04:00:00Z Researchers looked at other genetic clues from mitochondrial DNA, which is passed down on the mother’s side, and the Y chromosome, which is passed down on the father’s side. Ancient DNA gives rare snapshot of Neanderthal family ties 2022-10-19T04:00:00Z This “paper confirms that gene content of the Y chromosome is essentially conserved,” he says. ‘Most troublesome chromosome’ gets new respect after full sequence 2023-08-23T04:00:00Z The researchers found that the Y chromosomes shared by the males were fairly similar. First Known Family of Neanderthals Found in Russian Cave 2022-10-19T04:00:00Z The presence of a Y chromosome causes the development of male characteristics and its absence results in female characteristics. Biology for AP Courses 2022-06-09T00:00:00Z These conceptions were not only applied to people with additional Y chromosomes. The Complete Human Y Chromosome Marks an Opportunity to Move Away from Stigma 2023-09-27T04:00:00Z Males have one X chromosome and one Y chromosome. Miller & Levine Biology 2018-01-01T00:00:00Z In addition, the buildup of tough connective tissue, a process called fibrosis, surged in the hearts of mice missing the Y chromosome. Men lose Y chromosomes as they age. It may be harming their hearts 2022-07-13T04:00:00Z It’s been known for more than half a century that many men lose their Y chromosomes as they age. As Y Chromosomes Vanish With Age, Heart Risks May Grow 2022-07-14T04:00:00Z The W appears to be essential in determining the sex of the individual, similar to the Y chromosome in mammals. Biology for AP Courses 2022-06-09T00:00:00Z Y chromosomes naturally vary in size among different individuals, and some researchers attempted to develop metrics based on the misguided assumption that a significantly physically larger Y chromosome was correlated to criminality and “antisocial behavior.” The Complete Human Y Chromosome Marks an Opportunity to Move Away from Stigma 2023-09-27T04:00:00Z The Y chromosome, which is smaller, contains only about 158 genes. Miller & Levine Biology 2018-01-01T00:00:00Z Researchers have long downplayed the Y chromosome’s health impact because it sports so few genes, Walsh says, but the evidence suggests shedding it “leads to a staggering amount of years of life lost.” Men lose Y chromosomes as they age. It may be harming their hearts 2022-07-13T04:00:00Z A new study using male mice genetically engineered to lose their Y chromosomes provides insight. As Y Chromosomes Vanish With Age, Heart Risks May Grow 2022-07-14T04:00:00Z Although the Y chromosome contains a small region of similarity to the X chromosome so that they can pair during meiosis, the Y chromosome is much shorter and contains many fewer genes. Biology for AP Courses 2022-06-09T00:00:00Z In a 1968 Psychology Today article, celebrated anthropologist Ashley Montagu incorrectly, but forcibly, argued that “it appears probable that the ordinary aggressiveness of a normal XY male is derived from his Y chromosome.” The Complete Human Y Chromosome Marks an Opportunity to Move Away from Stigma 2023-09-27T04:00:00Z Because the X and Y chromosomes determine sex, the genes located on them show a pattern of inheritance called sex-linkage. Miller & Levine Biology 2018-01-01T00:00:00Z In the animals missing the Y chromosome, “the fibrosis is fairly subtle,” he says. Men lose Y chromosomes as they age. It may be harming their hearts 2022-07-13T04:00:00Z They began talking, and the professor told Dr. Forsberg that the Y chromosomes in fruit flies were more important than previously appreciated. As Y Chromosomes Vanish With Age, Heart Risks May Grow 2022-07-14T04:00:00Z Genes that are present on the X but not the Y chromosome are said to be X-linked, such that males only inherit one allele for the gene, and females inherit two. Biology for AP Courses 2022-06-09T00:00:00Z Others later added to the more scientifically robust studies that found no correlation between criminality and the Y chromosome. The Complete Human Y Chromosome Marks an Opportunity to Move Away from Stigma 2023-09-27T04:00:00Z Genes on the Y chromosome are found only in males and are passed directly from father to son. Miller & Levine Biology 2018-01-01T00:00:00Z They also start to lose Y chromosomes from their cells. Men lose Y chromosomes as they age. It may be harming their hearts 2022-07-13T04:00:00Z He had never paid much attention to the loss of Y chromosomes. As Y Chromosomes Vanish With Age, Heart Risks May Grow 2022-07-14T04:00:00Z In humans, as in many animals and some plants, females have two X chromosomes, and males have one X chromosome and one Y chromosome. Biology for AP Courses 2022-06-09T00:00:00Z Unscientific studies on the Y chromosome continued, however, and in the public eye, much damage was done. The Complete Human Y Chromosome Marks an Opportunity to Move Away from Stigma 2023-09-27T04:00:00Z To become a male, an individual must be exposed to the cascade of factors initiated by a single gene on the male Y chromosome. Anatomy and Physiology 2013-06-19T00:00:00Z Now, researchers report that when they removed the Y chromosome from male mice, the animals died earlier than their Y-carrying counterparts, likely because their hearts became stiffer. Men lose Y chromosomes as they age. It may be harming their hearts 2022-07-13T04:00:00Z At least 40 percent of males lose the Y chromosome from some of their blood cells by age 70. As Y Chromosomes Vanish With Age, Heart Risks May Grow 2022-07-14T04:00:00Z In humans, as in many animals and some plants, females have two X chromosomes and males have one X and one Y chromosome. Biology for AP Courses 2022-06-09T00:00:00Z More recently, the news overflowed with studies on the loss of the Y chromosome, both as something that occurs within individuals as they age and as an evolutionary phenomenon. The Complete Human Y Chromosome Marks an Opportunity to Move Away from Stigma 2023-09-27T04:00:00Z Because females do not have a Y chromosome, they do not have the SRY gene. Anatomy and Physiology 2013-06-19T00:00:00Z “This is the best evidence to date” that losing the Y chromosome is detrimental to health, says John Perry, a human geneticist at the University of Cambridge. Men lose Y chromosomes as they age. It may be harming their hearts 2022-07-13T04:00:00Z There is no way, other than to stop smoking, to reduce the risk of losing the Y chromosome. As Y Chromosomes Vanish With Age, Heart Risks May Grow 2022-07-14T04:00:00Z When a gene being examined is present on the X chromosome, but not on the Y chromosome, it is said to be X-linked. Biology for AP Courses 2022-06-09T00:00:00Z Some conversations around the Y chromosome’s disappearance invoked words such as “degenerate”—a term with eugenic connotations. The Complete Human Y Chromosome Marks an Opportunity to Move Away from Stigma 2023-09-27T04:00:00Z Recall that a male has one X and one Y chromosome. Anatomy and Physiology 2013-06-19T00:00:00Z Perry led one of the biggest studies on the frequency of Y chromosome loss in men, but wasn’t connected to the new research. Men lose Y chromosomes as they age. It may be harming their hearts 2022-07-13T04:00:00Z Soon, about 20 independent papers showed associations between loss of the Y chromosome in blood cells and heart disease, shortened life spans and various age-related diseases like solid tumors and blood cancers. As Y Chromosomes Vanish With Age, Heart Risks May Grow 2022-07-14T04:00:00Z Drosophila males lack a second allele copy on the Y chromosome; that is, their genotype can only be XWY or XwY. Biology for AP Courses 2022-06-09T00:00:00Z Others demonstrated how public discourse still treats the Y chromosome as an arbiter of masculinity. The Complete Human Y Chromosome Marks an Opportunity to Move Away from Stigma 2023-09-27T04:00:00Z When a father transmits a Y chromosome, the child is male, and when he transmits an X chromosome, the child is female. Anatomy and Physiology 2013-06-19T00:00:00Z Despite its macho reputation, the Y chromosome is a pipsqueak, carrying a mere 71 genes—less than one-tenth as many as the X chromosome. Men lose Y chromosomes as they age. It may be harming their hearts 2022-07-13T04:00:00Z He wondered about Y chromosomes and began planning a way to see if there was a direct cause and effect between loss of Y in blood cells and diseases. As Y Chromosomes Vanish With Age, Heart Risks May Grow 2022-07-14T04:00:00Z Her male offspring are, therefore, destined to express the trait, as they will inherit their father's Y chromosome. Biology for AP Courses 2022-06-09T00:00:00Z In anticipation of the Y chromosome’s evolutionary disappearance—a prediction that relies on considerable speculation, without much scientific backing—discussions of “What will happen to men?” abound. The Complete Human Y Chromosome Marks an Opportunity to Move Away from Stigma 2023-09-27T04:00:00Z Because the Y chromosome is passed down with few mutations, when the police have the y-DNA profile of one man, they also have that of a few generations along the paternal lines in his family. Four Takeaways From a Times Investigation Into China’s Expanding Surveillance State 2022-06-21T04:00:00Z In some older men, more than 80% of the cells can be short a Y chromosome. Men lose Y chromosomes as they age. It may be harming their hearts 2022-07-13T04:00:00Z The more cells that lost Y chromosomes, the greater the risk. As Y Chromosomes Vanish With Age, Heart Risks May Grow 2022-07-14T04:00:00Z Many women who have androgen insensitivity syndrome never know that they have a Y chromosome. Opinion | Requiring fixed, binary sex on birth certificates erases real Oklahomans 2022-05-19T04:00:00Z The complete Y chromosome sequence emerges against this backdrop. The Complete Human Y Chromosome Marks an Opportunity to Move Away from Stigma 2023-09-27T04:00:00Z “We talk a lot nowadays about personalized medicine,” San Roman says, “but a lot of that work has ignored the X and Y chromosomes. And that is really the biggest genetic difference in our species.” Science Still Doesn't Understand How Our Sex Affects Our Health 2022-05-16T04:00:00Z To test whether removing the Y chromosome harms health, Walsh and colleagues performed bone marrow transplants on 38 mice. Men lose Y chromosomes as they age. It may be harming their hearts 2022-07-13T04:00:00Z Women with the condition actually have some of the same health risks as men who have lost their Y chromosomes — cardiovascular abnormalities and non-ischemic heart failure. As Y Chromosomes Vanish With Age, Heart Risks May Grow 2022-07-14T04:00:00Z Men, with their X and Y chromosome pair, have just one copy so they make less of the immune receptor overall, even if they carry the TLR7 mutation. Genome of girl with severe lupus pins down genetic target for treatments 2022-04-27T04:00:00Z Instead the complete Y chromosome sequence offers many new scientific and clinical insights. The Complete Human Y Chromosome Marks an Opportunity to Move Away from Stigma 2023-09-27T04:00:00Z This effort did not map one of the 23 chromosomes that is found in males, called the Y chromosome, because the mole contained only an X. Scientists finally finish decoding entire human genome 2022-03-31T04:00:00Z They used the CRISPR-Cas9 gene-editing tool to delete the Y chromosome from mouse bone marrow cells and then inserted the altered cells into young male mice whose bone marrow had been removed. Men lose Y chromosomes as they age. It may be harming their hearts 2022-07-13T04:00:00Z It is too soon to say what men should do — other than to stop smoking — to protect themselves from losing their Y chromosomes or to alleviate the consequences. As Y Chromosomes Vanish With Age, Heart Risks May Grow 2022-07-14T04:00:00Z With just the sperm’s genetic material, such eggs can’t develop into an embryo, but they can still replicate, especially if the sperm delivers an X instead of Y chromosome. Most complete human genome yet reveals previously indecipherable DNA 2022-03-30T04:00:00Z Thus, we will be able to better understand how the Y chromosome contributes to areas of human health such as fertility and cancer. The Complete Human Y Chromosome Marks an Opportunity to Move Away from Stigma 2023-09-27T04:00:00Z For instance, while people with two X chromosomes are genetically female, some people who Blackburn would likely be inclined to call "female" are actually genetically male, with one X chromosome and one Y chromosome. Why Republican cries about Robert Bork still ring hollow 2022-03-26T04:00:00Z The swap didn’t banish the Y chromosome from the recipients, but it culled the chromosome from 49% to 81% of white blood cells—about the same percentage as in many humans with Y-chromosome loss. Men lose Y chromosomes as they age. It may be harming their hearts 2022-07-13T04:00:00Z Those in Dr. Walsh’s group found they could protect the hearts of the mice without Y chromosomes by blocking TGF-beta, a key molecule involved in the production of scar tissue. As Y Chromosomes Vanish With Age, Heart Risks May Grow 2022-07-14T04:00:00Z A person's sexual anatomy may differ from whether they have a Y chromosome or not. Republicans get the science behind sexual difference wrong during Supreme Court nominee hearing 2022-03-24T04:00:00Z The Y chromosome’s sequence may be complete, but in reversing a long history of misinformation, we’re only just getting started. The Complete Human Y Chromosome Marks an Opportunity to Move Away from Stigma 2023-09-27T04:00:00Z At the 1996 Olympics in Atlanta, eight women failed the chromosome test because they carried Y chromosomes. Trans Swimmer Revives an Old Debate in Elite Sports: What Defines a Woman? 2022-02-16T05:00:00Z The 37 control mice for this experiment also received bone marrow transplants but retained the Y chromosome. Men lose Y chromosomes as they age. It may be harming their hearts 2022-07-13T04:00:00Z Texas Sen. Ted Cruz said it’s discriminatory because Biden is saying “wrong skin pigment and wrong Y chromosome” to white men and women. Biden hosts GOP, Dem ‘good friends’ seeking court support 2022-02-01T05:00:00Z Douglas put the gene for the guide RNA targeting TOP 1 into the female mouse genome and attached the DNA encoding CRISPR’s cutting complex to the male’s Y chromosome. Gene editing produces all-male or all-female litters of mice 2021-12-02T05:00:00Z Males, however, have one X chromosome from their mother and a Y chromosome from their father. Gene edited sex selection may spare animal suffering 2021-12-03T05:00:00Z The men and boys, tracked through their Y chromosomes, belonged to a genetic population now among the most common in Western Europe, but which was relatively new to the Iberian Peninsula 4,200 years ago. You Should See Her in a Crown. Now You Can See Her Face. 2021-11-17T05:00:00Z Mice that lost their Y chromosome also had weaker hearts. Men lose Y chromosomes as they age. It may be harming their hearts 2022-07-13T04:00:00Z In the comics, the secret agent is on a mission retrieving an artifact from Jordan when everyone with a Y chromosome suddenly dies. Ready to catch up on 'Y: The Last Man'? Here's how it compares to the comics 2021-09-27T04:00:00Z The enzyme and guide RNA were reunited only when sperm with the Y chromosome fertilized the female’s eggs, creating the X/Y combination that defines a male. Gene editing produces all-male or all-female litters of mice 2021-12-02T05:00:00Z An adaptation of the comic-book series by Brian K. Vaughan and Pia Guerra, “Y: The Last Man” depicts an apocalyptic world in which every mammal with a Y chromosome suddenly and with no explanation dies. Perspective | Apocalyptic series ‘Y: The Last Man’ is actually a warning about workplace inequality 2021-09-17T04:00:00Z David Reich, an expert in ancient DNA at Harvard Medical School, said that such a nearly complete Y chromosome turnover could have happened when powerful local women formed alliances with foreign men. You Should See Her in a Crown. Now You Can See Her Face. 2021-11-17T05:00:00Z The bone marrow transplants the researchers performed on the mice did not eliminate the Y chromosome from heart muscle cells. Men lose Y chromosomes as they age. It may be harming their hearts 2022-07-13T04:00:00Z Men with Klinefelter’s syndrome, for instance, have two X chromosomes along with a Y chromosome, and they are 14 times more likely than other men to develop lupus. Why Nearly 80 Percent of Autoimmune Sufferers Are Female 2021-09-15T04:00:00Z “In the future, it will be important to define other regions in the Y chromosome,” especially when trying to expand the approach to other animals. Gene editing produces all-male or all-female litters of mice 2021-12-02T05:00:00Z A mysterious plague kills all people with Y chromosomes, except for one man: in an instant, cis boys and men are gone, and so are trans women. Review | In the sci-fi drama series ‘Y: The Last Man,’ half of society drops dead, and it’s ponderous picking up the pieces 2021-09-12T04:00:00Z The team looked at entire nuclear genomes, including Y chromosomes passed down from fathers and mitochondrial DNA passed down from mothers. China’s most mysterious wildcat may not be its own species 2021-06-23T04:00:00Z The scientists found that many of the macrophages from mice lacking the Y chromosome began to promote fibrosis, stimulating other cells in the heart to spin more connective tissue. Men lose Y chromosomes as they age. It may be harming their hearts 2022-07-13T04:00:00Z Their Y chromosomes were also similar and came from a modern human ancestor, like those of the only three other male Neanderthal genomes known. Ancient genomes offer rare glimpse of Neanderthal family groups 2021-06-16T04:00:00Z Researchers were able to directly sequence and analyze maternally inherited mitochondrial DNA and paternally inherited Y chromosomes from both contemporary and Ancient Indigenous populations. Genomes Reveal Humanity’s Journey into the Americas 2021-04-20T04:00:00Z All that was missing apparently was the Y chromosome. No league was more essential to the social justice movement in 2020 than the WNBA 2020-12-24T05:00:00Z Neanderthals’ Y chromosome looks a lot like ours, despite much of their nuclear genome more closely matching a different human lineage, the Denisovans. Daily briefing: COVID-19 vaccine trial results — what to watch out for 2020-09-24T04:00:00Z When the scientists broke down the causes of death that correlated with the Y chromosome’s absence, they identified several cardiac conditions, including heart failure. Men lose Y chromosomes as they age. It may be harming their hearts 2022-07-13T04:00:00Z In contrast to the Y chromosome and nuclear DNA, the mtDNA of both males and females was relatively diverse, implying that more female ancestors contributed to the population than males. Ancient genomes offer rare glimpse of Neanderthal family groups 2021-06-16T04:00:00Z Complete genomes provide many orders of magnitude more information about a person’s ancestry than mitochondrial DNA or Y chromosomes do. Genomes Reveal Humanity’s Journey into the Americas 2021-04-20T04:00:00Z The best way to test this scenario is to get DNA from early Neanderthals to see whether their Y chromosome looked more like the one in Denisovans. How Neanderthals lost their Y chromosome 2020-09-24T04:00:00Z In men it is also possible to test the Y chromosome, which is passed from father to son and helps identify the paternal line. 'I was found wrapped in my mum's coat - but who am I?' 2020-07-18T04:00:00Z Losing the Y chromosome spurs fibrosis in the heart, resulting in heart failure and an earlier death, the team concludes today in Science. Men lose Y chromosomes as they age. It may be harming their hearts 2022-07-13T04:00:00Z Another study that examined the association between genetic signatures on the Y chromosome and surname in the United Kingdom found rates of non-paternity to be even lower, at approximately 1 in 25, or 4 percent. When illness and family secrets collide 2020-05-10T04:00:00Z "As you are speaking as the oracle of science, tell us, what exactly is a Y chromosome?" Alexandria Ocasio-Cortez schools Ted Cruz about science: "You don’t even believe in evolution” 2020-02-28T05:00:00Z Those unions caused the modern Y chromosomes to sweep through future generations of Neanderthal boys, eventually replacing the Neanderthal Y. How Neanderthals lost their Y chromosome 2020-09-24T04:00:00Z As you are speaking as the oracle of science, tell us, what exactly is a Y chromosome? Ted Cruz tried to mock AOC's scientific knowledge – it didn't end well 2020-02-28T05:00:00Z "As you are speaking as the oracle of science, what exactly is a Y chromosome?" he asked. Ted Cruz, AOC get into spat after she claims Pence 'literally doesn't believe in science' 2020-02-28T05:00:00Z Those men carried a Y chromosome variant that is still common today in Europe. Why are adult daughters missing from ancient German cemeteries? 2019-10-10T04:00:00Z By observing the manifestation of mutations in male or female mice, Dr. Russell also drew the conclusion that male mice carried the Y chromosome. Liane Russell, scientist who put spotlight on danger of X-rays for embryos, dies at 95 2019-08-23T04:00:00Z Their sons would have carried the modern human Y chromosome, which is paternally inherited. How Neanderthals lost their Y chromosome 2020-09-24T04:00:00Z “As you are speaking as the oracle of science, tell us, what exactly is a Y chromosome?” Ted Cruz tried to mock AOC's scientific knowledge – it didn't end well 2020-02-28T05:00:00Z That study included 13 biologically male participants, 13 biologically female participants and 13 female participants who carried a Y chromosome but developed as “female-typical.” Universal Desire: Men and Women Respond Identically to Erotic Images 2019-07-18T04:00:00Z That means among all the male Holsteins in the country, there are just two Y chromosomes. From Two Bulls, 9 Million Dairy Cows 2019-06-20T04:00:00Z After the primordium forms, SRY—a gene on the Y chromosome discovered in 1990, thanks to the participation of transgender XX males and XY females—might be activated. Stop Using Phony Science to Justify Transphobia 2019-06-13T04:00:00Z The new finding may solve the decade-old mystery of why researchers have been unable to find a Neanderthal Y chromosome. How Neanderthals lost their Y chromosome 2020-09-24T04:00:00Z The Y chromosomes from the male farmers disappeared from the gene pool. A History of the Iberian Peninsula, as Told by Its Skeletons 2019-03-14T04:00:00Z The researchers looked at the Y chromosome - a package of DNA passed down more or less unchanged from father to son. Wandering males transformed Spain's DNA 2019-03-14T04:00:00Z But within a few hundred years, nearly all the Y chromosomes from Iberian farmers were gone—and replaced by the central Europeans farmers’ DNA. Men who lived in Spain 4500 years ago left almost no descendants alive today 2019-03-14T04:00:00Z The forensic DNA analysis centered on the Y chromosome, which is inherited only down the male line, and on a range of genetic markers across other parts of the genome. DNA test squashes decades-long ‘doppelganger conspiracy’ about Rudolf Hess 2019-01-25T05:00:00Z Natural selection may have favored the H. sapiens Y chromosome, because Neanderthals had more deleterious mutations across their genomes, Kelso says. How Neanderthals lost their Y chromosome 2020-09-24T04:00:00Z “Persons with an unbroken paternal line display the same set of DNA markers on the Y chromosome,” said Cemper-Kiesslich. DNA study debunks Rudolf Hess imposter theory 2019-01-22T05:00:00Z He learned that his Y chromosome didn't match his own brother's and that his biological father had died 13 years earlier. The Christmas present that could tear your family apart 2018-12-19T05:00:00Z Malhi’s specialty is tracing genetic history, so his articles have titles like “Distribution of Y chromosomes among native North Americans: a study of Athapaskan population history.” EXCHANGE: Researchers examining how dogs got to Americas 2018-11-25T05:00:00Z “They’ve got a perfect match with the Y chromosome and a living male Hess relative,” King says. DNA test squashes decades-long ‘doppelganger conspiracy’ about Rudolf Hess 2019-01-25T05:00:00Z The high repeat density is similar to that found in the Y chromosome of other animals8. Improved mosquito genome points to population-control strategies 2018-11-13T05:00:00Z The fact that sons’ lifespans were impacted and daughters were not, indicates an “epigenetic effect transmitted along the Y chromosome,” Costa said. Civil War POWs’ trauma shortened their sons’ lifespans, startling new research says 2018-10-30T04:00:00Z Most often, the SRY gene is part of the Y chromosome, but sometimes, the SRY gene ends up on an X chromosome. The Trump Administration's Proposed "Redefinition" of Gender Is Scientifically Absurd 2018-10-29T04:00:00Z That’s one of the reasons I bought Biddulph’s book as soon as doctors told me that the Etch A Sketch image on their sonogram machine indicated I was incubating a Y chromosome. Perspective | Yes, we’re scared, Donald Trump Jr. We don’t want our boys to become entitled jerks like you. 2018-10-04T04:00:00Z New evidence indicates that the Y chromosome participates in an array of essential, general-interest tasks in men, like stanching cancerous growth, keeping arteries clear and blocking the buildup of amyloid plaque in the brain. Secrets of the Y Chromosome 2018-06-11T04:00:00Z Five to seven thousand years ago, the diversity of Y chromosomes plummeted. Ancient Clan War Explains Genetic Diversity Drop 2018-06-06T04:00:00Z The Y chromosome is only found in males. Civil War POWs’ trauma shortened their sons’ lifespans, startling new research says 2018-10-30T04:00:00Z Melanesian and Asian origins of Polynesians: mtDNA and Y chromosome gradients across the Pacific. Ancient hepatitis B viruses from the Bronze Age to the Medieval period 2018-05-08T04:00:00Z It’s been reported that one search tried to use the Y chromosome and had a poor match. A chat with the geneticist who predicted how the police may have tracked down the Golden State Killer 2018-04-29T04:00:00Z As a sizable percentage of men age, their blood and other body cells begin to spontaneously jettison copies of the Y chromosome, sometimes quickly, sometimes slowly. Secrets of the Y Chromosome 2018-06-11T04:00:00Z The scientists found no suggestion of a Y chromosome in her genetic package, confirming that she was female. Tiny skeleton from Chile looks alien but Ata’s DNA tells tragic human story 2018-03-22T04:00:00Z Image: Well Go USA Entertainment As for the rest of the characters, well, this isn’t a movie that’s going to make anyone with a Y chromosome feel great about themselves. Better Watch Out is a surprising, strange Christmas horror-comedy about idiotic boys 2017-10-03T04:00:00Z The results were clear: The team didn’t detect any Y chromosomes in the bones, and the mitochondrial DNA from the various bones all matched. Famous Viking Warrior Was a Woman, DNA Reveals 2017-09-12T04:00:00Z This file contains details on Y chromosome validation data. Sequencing and de novo assembly of 150 genomes from Denmark as a population reference : Nature : Nature Research 2017-07-25T04:00:00Z Other researchers are tracing the evolution of the Y chromosome and comparing the version found in modern men with those of our close relatives, both living and extinct. Secrets of the Y Chromosome 2018-06-11T04:00:00Z The Y chromosome is only carried by men and is passed virtually unchanged from father to son. Search for Marilyn Monroe's Scots relatives continues - BBC News 2017-06-01T04:00:00Z The Y chromosomes of all the world's stallions are now quite similar, suggesting that only a relatively few males were the ancestors of today's horses. Long-frozen DNA shows how humans made horses faster — and more likely to get sick 2017-04-27T04:00:00Z “Your mom has two X chromosomes in all of her cells, and your dad has one X and one Y chromosome in each of his cells,” she continues. Segment debunking transgenderism cut from ‘Bill Nye’ 2017-05-03T04:00:00Z Only scaffolds where the majority of the bases mapped to the Y chromosome with a length >1,000 nucleotides were chosen, to avoid scaffolds that mapped too ambiguously. Sequencing and de novo assembly of 150 genomes from Denmark as a population reference : Nature : Nature Research 2017-07-25T04:00:00Z Although human DNA has been found to contain vestiges of our dalliances with Neanderthals from about 50,000 years ago, none of those genomic imprints are on the human Y chromosome. Secrets of the Y Chromosome 2018-06-11T04:00:00Z The Y chromosome tells the genetic story of males of a species. Ancient Horse DNA Shows Scythian Warriors Were Adept Domesticators 2017-04-27T04:00:00Z The stallions, ridden by the nomadic Scythians, had genes linked to an array of coat colors and traits associated with endurance or sprinting, as well as many diverse Y chromosomes. Long-frozen DNA shows how humans made horses faster — and more likely to get sick 2017-04-27T04:00:00Z “We used to think it was pretty straightforward. X and a Y chromosome for males, two X’s for females. But we see more combinations than that in real life.” Segment debunking transgenderism cut from ‘Bill Nye’ 2017-05-03T04:00:00Z We leverage the assemblies to provide 100 completely resolved major histocompatibility complex haplotypes and to resolve major parts of the Y chromosome. Sequencing and de novo assembly of 150 genomes from Denmark as a population reference : Nature : Nature Research 2017-07-25T04:00:00Z Fernando Mendez, a geneticist, and his colleague Carlos Bustamante of Stanford University reported that one of the notable differences between the human and Neanderthal Y chromosomes lies in a gene linked to transplant rejection. Secrets of the Y Chromosome 2018-06-11T04:00:00Z She had one X and one Y chromosome, in keeping with men. Intersex and proud: model Hanne Gaby Odiele on finally celebrating her body 2017-04-23T04:00:00Z They were confirmed to be mycoplasma negative, and screened for the presence of the Y chromosome. Effective combinatorial immunotherapy for castration-resistant prostate cancer : Nature : Nature Research 2017-03-19T04:00:00Z Every President to date has been possessed of a Y chromosome. A Modest Proposal for an Immodest Campaign 2016-10-14T04:00:00Z “Whether there’s a D or R in front of your name is way more a cue to voters than the presence or the absence of the Y chromosome,” Ms. Lawless said. Can Hillary Clinton Keep You Safe? 2016-09-24T04:00:00Z Lacking the standard repair system of chromosomal recombination, genes on the Y chromosome began to decay and were eventually tossed out or reassigned to other chromosomes. Secrets of the Y Chromosome 2018-06-11T04:00:00Z Because the Y chromosome is inherited only by males, it is often linked to family surnames. Privacy: The myth of anonymity : Nature : Nature Research 2016-09-06T04:00:00Z That premise hopefully agreed, we then see that the presence of the Y chromosome is the single greatest genetic “advantage” a person can have. Caster Semenya and the Logic of Olympic Competition 2016-08-12T04:00:00Z The other common denominator among the lion's share of the world's billionaires is a Y chromosome. 2015 Was a Big Year for Billionaires 2016-08-09T04:00:00Z The contrast is so large, says Capes-Davis, that Y chromosome loss is the most likely explanation. Sex problems? Researchers find ‘widespread’ mislabeling of the sex of human samples 2016-07-29T04:00:00Z “The X chromosome could continue to recombine with another X chromosome in the making of eggs, but the Y chromosome followed an isolationist strategy, which led to its rapid decline.” Secrets of the Y Chromosome 2018-06-11T04:00:00Z Her Republican opponent, Donald Trump, has accused her of playing the “woman card,” and he has said she would be at 5 percent in the polls if she had a Y chromosome. As Clinton makes history, some already take it for granted 2016-07-26T04:00:00Z The findings are most likely associated with the male Y chromosome, study leader Dr. Stephen Kaye, an opthalmologist at The Royal Liverpool University Hospital, said in a journal news release. Cornea Transplants Riskier for Women When They Come From Men? 2016-07-15T04:00:00Z Either out of gender bias or 240 years of conditioning, certain Americans apparently want a Y chromosome somewhere in the Executive Office mix. Editorials from around Pennsylvania 2016-07-06T04:00:00Z Some geneticists speculate that the overrepresentation might be because of a gene on the Y chromosome that increases stature; height is clearly beneficial in several sports, though that certainly isn’t a factor for Chand. The Humiliating Practice of Sex Testing Female Athletes 2016-06-28T04:00:00Z It’s not total isolationism: The tips of the X and Y chromosome can still swap pieces, but most of Y is off limits to trans-chromosomal barter and amendments. Secrets of the Y Chromosome 2018-06-11T04:00:00Z And in a more polarized climate, voters assess candidates based on whether there’s an R or D next to their name, not on whether or not there’s a Y chromosome in their DNA. There’s much less gender bias in politics than you think. Here’s why. 2016-05-24T04:00:00Z One is, which genes on the Y chromosome -- when lost -- might leave a man more vulnerable to Alzheimer's? Loss of Y Chromosome in Men Tied to Alzheimer's Risk 2016-05-23T04:00:00Z “I don’t care what he’s dressed like. God don’t make mistakes. The Y chromosome is still there. You can’t change that.” ‘Folks back home’ have varying views on N. Carolina LGBT law 2016-05-13T04:00:00Z Fellous was studying a newly discovered gene called SRY, which resides on the Y chromosome and is crucial in triggering the development of male features. The spectrum of sex development: Eric Vilain and the intersex controversy 2016-05-09T04:00:00Z Smoking hastens the depletion of the Y chromosome in men’s blood cells, the researchers have found. Secrets of the Y Chromosome 2018-06-11T04:00:00Z Then the scientists tracked down living male descendants and asked to sequence their Y chromosomes. Fathered by the Mailman? It’s Mostly an Urban Legend 2016-04-08T04:00:00Z Experts said the study doesn't prove that loss of the Y chromosome directly contributes to Alzheimer's disease. Loss of Y Chromosome in Men Tied to Alzheimer's Risk 2016-05-23T04:00:00Z But the new analysis reveals the Neanderthal Y chromosome is distinct from any found in humans today. DNA points to Neanderthal breeding barrier - BBC News 2016-04-08T04:00:00Z It makes a difference whether you have an X or Y chromosome.” Ian McEwan criticised by campaigners over transgender remarks 2016-04-02T04:00:00Z When white blood cells that serve as immune sentries lose their Y chromosome, Dr. Dumanski said, their surveillance skills falter. Secrets of the Y Chromosome 2018-06-11T04:00:00Z Men who are related to the same male ancestor should also share his Y chromosome, providing that some unknown father didn’t introduce his own Y somewhere along the way. Fathered by the Mailman? It’s Mostly an Urban Legend 2016-04-08T04:00:00Z The Y chromosome and other aspects of the DNA in the bones found behind McCuaig’s, however, link the Irish to that surge of population. A man’s discovery of bones under his pub could forever change what we know about the Irish 2016-03-17T04:00:00Z Several of the Y chromosome genes that differ in Neanderthals function as part of the immune system. DNA points to Neanderthal breeding barrier - BBC News 2016-04-08T04:00:00Z They found that the Y chromosome DNA from all three males belonged to a type very common in Berbers from North Africa, but largely absent from Europe, including France. France's earliest 'Muslim burials' found - BBC News 2016-02-25T05:00:00Z At which he laughed — and admitted his extreme self-confidence could well be the result of the Y chromosome that made him a man. Secrets of the Y Chromosome 2018-06-11T04:00:00Z Y chromosomes are passed down in almost identical form from fathers to sons. Fathered by the Mailman? It’s Mostly an Urban Legend 2016-04-08T04:00:00Z Researchers from the University of Hawaii said this week that they were able to remove the Y chromosome from mice and still allow them to develop usable reproductive cells. These male mice don’t have Y chromosomes, but they had babies anyway 2016-01-30T05:00:00Z The researchers say it is possible that Neanderthal Y chromosomes were initially circulating in the modern human gene pool, but were then lost by chance over the millennia. DNA points to Neanderthal breeding barrier - BBC News 2016-04-08T04:00:00Z It described mutations linked to Alzheimer’s disease and mutation rates in the Y chromosome. 365 days: The science events that shaped 2015 2015-12-16T05:00:00Z “We’re going to teach them about Y-DNA if you’re a man, how you get that from your father who got that marker from his father and his father,” said Gates, referring to the Y chromosome. Gates hoping to inspire love of STEM through genealogy 2015-10-30T04:00:00Z The Y chromosomes in Flemish men with French surnames, the researchers found, had the same genetic markers found in men who live today in the region of France where their ancestors originated. Fathered by the Mailman? It’s Mostly an Urban Legend 2016-04-08T04:00:00Z Their children were also able to reproduce, with the researchers overseeing three generations of male mice without a Y chromosome. These male mice don’t have Y chromosomes, but they had babies anyway 2016-01-30T05:00:00Z But a new analysis of the Neanderthal Y chromosome, the package of genes passed down from fathers to sons, shows it is missing from modern populations. DNA points to Neanderthal breeding barrier - BBC News 2016-04-08T04:00:00Z Mothers retain some cells of their children, and a recent Danish study found that women who gave birth to boys retained cells with Y chromosomes. How a Man's Unborn Twin Fathered His Child 2015-10-28T04:00:00Z The pathologists then stained the samples to check for Y chromosomes. A Pregnancy Souvenir: Cells That Are Not Your Own 2015-09-10T04:00:00Z Royan is also a participant in the international Human Proteome Project: It is responsible for characterizing all of the proteins coded by the Y chromosome. Unsanctioned science 2015-09-03T04:00:00Z Females have two X chromosomes, and males have an X and a Y chromosome. ‘It’s a boy!’ the National Zoo says of surviving giant panda cub 2015-08-28T04:00:00Z "We've never observed the Neanderthal Y chromosome DNA in any human sample ever tested," said co-author Prof Carlos Bustamante, from Stanford University in California. DNA points to Neanderthal breeding barrier - BBC News 2016-04-08T04:00:00Z Simpkins noted that it was true, for example, that eating breakfast while trying to conceive increases the likelihood of creating a male fetus, because “the Y chromosome likes higher glucose environments.” Sex Ed on “Fox & Friends”: Elisabeth Hasselbeck needs some clarification about the basics of baby-making 2015-08-17T04:00:00Z But the sequencing data from the bull’s Y chromosome suggests that the phenomenon is more widespread than previously thought, he adds. A battle of the sexes is waged in the genes 2015-06-25T04:00:00Z At one point as they hammered at terms with Gouw, Minshew says there were six women and one “lone Y chromosome,” The Muse’s legal counsel, on the line. Millennial-Friendly Career Site The Muse Raises $10 Million Series A, Passes 3 Million Monthly Users 2015-05-13T04:00:00Z Another paper estimates how quickly the Y chromosome mutates. One thousand genes you could live without 2015-03-25T04:00:00Z Because these Neanderthal genes are on the Y chromosome, they are specific to males. DNA points to Neanderthal breeding barrier - BBC News 2016-04-08T04:00:00Z British researchers focused on similarities in the Y chromosomes of Asian men living today. Perhaps Genghis Khan's Greatest Legacy: Millions of Descendants 2015-03-11T04:00:00Z David Page, a biologist who directs the Whitehead Institute in Cambridge, Massachusetts, and his colleagues explored the Y chromosomes carried by males of several species, mapping stretches of mysterious, repetitive DNA in unprecedented detail. A battle of the sexes is waged in the genes 2015-06-25T04:00:00Z For example, XX individuals who carry a fragment of the Y chromosome that contains SRY develop as males. Sex redefined 2015-02-17T05:00:00Z The new rate of Y chromosome mutation will help refine the dates of key events in human evolution and migration, says Agnar Helgason of deCODE. One thousand genes you could live without 2015-03-25T04:00:00Z If women consistently miscarried male babies carrying Neanderthal Y chromosomes, that would explain its absence in modern humans. DNA points to Neanderthal breeding barrier - BBC News 2016-04-08T04:00:00Z It's possible, Forsberg said, that the immune system's cancer "surveillance" is disrupted in cells that lack the Y chromosome. Smoking Might Cost Men Their 'Y' Chromosome, Study Finds 2014-12-04T05:00:00Z The team sequenced many large, continuous stretches of the Y chromosome and carefully scrutinized the areas that looked as if they overlapped. A battle of the sexes is waged in the genes 2015-06-25T04:00:00Z For example, an embryo that starts off as XY can lose a Y chromosome from a subset of its cells. Sex redefined 2015-02-17T05:00:00Z That’s worrisome, they say, because a recent study found an association between Y chromosome loss and a shorter life span, as well as a higher risk of multiple cancers. Smoking erases Y chromosomes 2014-12-04T05:00:00Z Male smokers might want to start worrying about the tiniest and "manliest" of the 46 chromosomes — the Y chromosome. Men: the more you smoke, the more Y chromosomes you lose 2014-12-04T05:00:00Z The researchers also looked at some other potential risk factors for Y chromosome loss -- such as high blood pressure, excess weight, diabetes and lack of exercise. Smoking Might Cost Men Their 'Y' Chromosome, Study Finds 2014-12-04T05:00:00Z While the precise relationship between Y chromosomes and cancer remains unclear, Y chromosomes are thought to play a role in tumor containment. Why Smoking Causes Cancer In More Men Than Women 2014-12-04T05:00:00Z For many years, scientists believed that female development was the default programme, and that male development was actively switched on by the presence of a particular gene on the Y chromosome. Sex redefined 2015-02-17T05:00:00Z Dumanski and his colleagues are also planning follow-up studies to better understand how cellular Y chromosome deficiency might cause poor health. Smoking erases Y chromosomes 2014-12-04T05:00:00Z This preliminary finding is alarming because the same group of researchers previously linked the loss of Y chromosomes in blood to shorter life expectancies in men and an increase in non-blood-related cancers. Men: the more you smoke, the more Y chromosomes you lose 2014-12-04T05:00:00Z In a study reported earlier this year, researchers linked Y chromosome loss to a shorter life span and an increased risk of dying from cancer, specifically. Smoking Might Cost Men Their 'Y' Chromosome, Study Finds 2014-12-04T05:00:00Z Y chromosomes return to the blood cells of men who stop the habit, the study found. Why Smoking Causes Cancer In More Men Than Women 2014-12-04T05:00:00Z According to the simple scenario, the presence or absence of a Y chromosome is what counts: with it, you are male, and without it, you are female. Sex redefined 2015-02-17T05:00:00Z The researchers hypothesize that the Y chromosome loss may be skewed toward a specific population of blood cells that become immune cells known to fight cancer. Smoking erases Y chromosomes 2014-12-04T05:00:00Z In addition, the loss of Y chromosomes is usually associated with the later stages of cancer. Men: the more you smoke, the more Y chromosomes you lose 2014-12-04T05:00:00Z The variation in the Y chromosome carried by the skeleton is far more rare than the one that passed through the Duke of Beaufort’s line. DNA Casts Doubt On Richard III's Legitimacy 2014-12-03T05:00:00Z Smoking and age were the only factors associated with loss of Y chromosomes in the more than 6,000 men evaluated. Why Smoking Causes Cancer In More Men Than Women 2014-12-04T05:00:00Z Investigation of the male genealogy focused on the Y chromosome, a package of DNA that is passed down from father to son, much like a surname. Richard III DNA: infidelity surprise 2014-12-02T05:00:00Z Neanderthal opinions from a woman appeal to Neanderthals with the Y chromosome. Iowan’s Playbook, for Women to Win Men’s Vote 2014-10-28T04:00:00Z That means that the next step would be to sort the cells and try to identify specific cell types that lose Y chromosomes. Men: the more you smoke, the more Y chromosomes you lose 2014-12-04T05:00:00Z A Y chromosome revealed that the thighbone belonged to a man. Reconstructed Genome of 45,000-Year-Old Man Offers Clues on Modern Humans 2014-10-22T04:00:00Z He and his colleagues are continuing their research to see how different lifestyle factors and health conditions affect Y chromosome loss. Y Chromosome Loss May Predict Earlier Death for Men 2014-10-22T04:00:00Z Most living male heirs of the 5th Duke of Beaufort were found to carry a relatively common Y chromosome type, which is different from the rare lineage found in the car park remains. Richard III DNA: infidelity surprise 2014-12-02T05:00:00Z But bad apples exist on both sides of the X and Y chromosome. SNYDER: In Jameis Winston case and beyond, when to suspend a dicey question for schools, teams 2014-10-15T04:00:00Z This means that biological females aren’t at risk for losing Y chromosomes in their blood cells. Men: the more you smoke, the more Y chromosomes you lose 2014-12-04T05:00:00Z It’s as if the steady shrinking of the Y chromosome over the ages is somehow being mirrored by the dwindling relevance of the parent who carries this dying scrap of DNA. Guess What! Dads Are Important! (Oh, You Knew That?) 2014-06-16T04:00:00Z "The number one risk factor for violent crime is the Y chromosome," Morse says. If violence is in your genes, should courts be more lenient? 2014-06-04T04:00:00Z Dr. Kaessmann calculates that the Y chromosome originated 181 million years ago, after the duck-billed platypus split off from other mammals but before the marsupials did so. Researchers See New Importance in Y Chromosome 2014-04-24T03:17:58Z The Y chromosome was a point of fascination among the angrier wings of the feminist movement during the 20th century. Genetic researchers strike men off the endangered species list 2014-04-23T18:41:00Z One of the questions that Forsberg and his team hope to answer soon is exactly which blood cells tend to lose their Y chromosomes, and which ones don’t. Men: the more you smoke, the more Y chromosomes you lose 2014-12-04T05:00:00Z Dr. Kaessmann calculates that the Y chromosome originated 181 million years ago, after the duck-billed platypus split off from mammals but before the marsupials did so. Researchers See New Importance for Y Chromosome 2014-04-23T17:55:11Z The mammalian Y chromosome is a symbol of maleness and encodes genes important for male reproduction. [Report] Two Y Genes Can Replace the Entire Y Chromosome for Assisted Reproduction in the Mouse 2014-01-02T19:26:26.502Z This debate is among many intriguing questions about the Y chromosome and its role in gametogenesis. [Perspective] The Minimalist Y 2014-01-02T19:25:28.790Z In mice, the Y chromosome normally contains 14 distinct genes, with some present in up to a hundred copies. Discovery of the second-class male 2013-11-22T02:14:46Z Once that’s done, the researchers will be faced with the monster task of explaining why the loss Y chromosomes is linked to higher rates of cancer, as well as shorter life expectancies. Men: the more you smoke, the more Y chromosomes you lose 2014-12-04T05:00:00Z "We're just trying to understand how much of the Y chromosome is needed, and for what." Just 2 Genes from Y Chromosome Needed for Male Reproduction 2013-11-22T01:15:00.343Z Various deletions of the Y chromosome result in sperm defects and infertility. [Report] Two Y Genes Can Replace the Entire Y Chromosome for Assisted Reproduction in the Mouse 2014-01-02T19:26:26.502Z They tried again, this time digging deeper and looking at his Y chromosome. Fossil indicates Eurasian roots for Native Americans, new study says 2013-11-20T21:45:44Z They condensed all the genetic information normally found on a mouse's Y chromosome to just two genes. Discovery of the second-class male 2013-11-22T02:14:46Z The outcome can be quite variable, but basically what happens is that the testosterone supply dependent on the Y chromosome gets swamped by the estrogen production linked to the two X chromosomes. Touching a Nerve: Exploring the Implications of the Self as Brain, Part 2 [Excerpt] 2013-07-27T13:45:00.477Z Now scientists find that only two genes on the Y chromosome are needed in mice for them to father offspring. Just 2 Genes from Y Chromosome Needed for Male Reproduction 2013-11-22T01:15:00.343Z The Y chromosome is thought to be important for male reproduction. [Report] Two Y Genes Can Replace the Entire Y Chromosome for Assisted Reproduction in the Mouse 2014-01-02T19:26:26.502Z You see it in blood groups, in Y chromosomes and some diseases. Snail genes reveal human migration 2013-06-20T01:43:29Z Prof Ward commented: "These mice are normally infertile, but we show it is possible to get live offspring when the Y chromosome is limited to just two genes by using assisted reproduction." Discovery of the second-class male 2013-11-22T02:14:46Z In Game Over, he argues: "Wealth, coaching facilities, nutrition, and opportunity determine the development of a world-class athlete far more than a Y chromosome ever could." The fear and loathing behind the Brittney Griner NBA tryout backlash 2013-04-06T12:00:00Z The researchers emphasized the whole Y chromosome is likely needed for normal reproduction — its other genes help mature sperm develop. Just 2 Genes from Y Chromosome Needed for Male Reproduction 2013-11-22T01:15:00.343Z There are currently only 17 heads of state out of 195 who do not have a Y chromosome. Confidence Woman 2013-03-07T12:00:15Z The algorithm is specially designed to hone in on short tandem repeats on a man’s Y chromosome. A Hacked Database Prompts Debate about Genetic Privacy 2013-02-05T16:15:03.647Z If your head hurts every time you have to think about how to generically refer to a person based on the presence or absence of the Y chromosome, you’re in luck. 'Girls? Ladies? Folks?' Here's A Visual Guide To What You Should Call That Group Of Individuals. 2013-01-31T01:03:01Z Genealogy Web sites use repeats on the Y chromosome, the one unique to men, to identify men by their surnames, an indicator of ancestry. Search of DNA Sequences Reveals Full Identities 2013-01-17T19:24:02Z This storyline was called into question a few years ago by the discovery, in some aboriginal Australian men, of Y chromosomes that looked as though they had come from India. Prehistoric migration: An Antipodean Raj 2013-01-17T16:04:38Z On Christmas Day in 1965, two researchers published a paper saying men with an extra Y chromosome, the chromosome that confers maleness, were “super males” and born criminals. News Analysis: Scientists to Seek Clues to Violence in Genome of Gunman in Newtown, Conn. 2012-12-24T18:58:02Z With no Y chromosome and hence no testosterone, the embryo becomes a girl. Homosexuality May Start in the Womb 2012-12-11T21:45:00Z We didn’t yet know that Y chromosome DNA is organized like a hall of mirrors, riddled with inverted repeats. The Battle of the Prenatal Tests 2012-12-05T23:15:04.403Z By testing for a gene specific to the Y chromosome, they found evidence of male DNA in the brains of 63 percent of the women. Leftover DNA from sons may alter their mothers' brains, study says 2012-09-28T02:34:03Z By testing for a gene specific to the Y chromosome, they found evidence of male DNA in the brains of 63% of the women. Bearing Sons Can Alter Your Mind 2012-09-26T23:25:14Z The idea persisted for about 15 years, Dr. Reilly said, but eventually the epidemiological evidence convinced scientists that it was wrong — that these men were no more violent than men without an extra Y chromosome. News Analysis: Scientists to Seek Clues to Violence in Genome of Gunman in Newtown, Conn. 2012-12-24T18:58:02Z Of more surprise was the African Y chromosome. Obama’s Mother Had African Forebear, Study Suggests 2012-07-30T04:01:14Z The researchers looked at cells from male pregnancies, because the fetal cells are easy to distinguish from maternal cells by the presence of the Y chromosome. Amniotic Fluid + Valproic Acid = New Source of Human Stem Cells 2012-07-03T16:15:04.193Z Later analyses of mtDNA and of the male Y chromosome suggested that the exit from Africa was even more recent, perhaps less than 60,000 years ago. Human migrations: Eastern odyssey 2012-05-02T17:20:27.767Z You do not need a Y chromosome to understand football, and you really don’t need one to understand Williams. Gregg Williams wasn?t alone, but NFL should make him an example 2012-04-09T17:01:55Z The resulting picture is consistent with rapid structural evolution of the Y chromosome in the great apes, as previously seen in the chimpanzee–human comparison. Insights into hominid evolution from the gorilla genome sequence 2012-03-07T18:21:00.777Z Now, many would argue even today that the lack of a Y chromosome should not affect my ability to make informed choices about what health care options and lunchtime cat videos are right for me. Subject for Debate: Are Women People? 2012-03-07T15:57:00Z This kind of behavior is linked to something: the Y chromosome and testosterone. Letters: Power and Abuse (2 Letters) 2012-03-05T23:13:50Z “Although the Y chromosome did suffer quite a bit over the course of evolution, it seems like what remains of it is not going anywhere,” Hughes said in a telephone interview. Men Aren’t Going Extinct, Study of Shrinking Y Chromosome Finds 2012-02-23T00:49:01Z "I'm more worried about global warming than the Y chromosome disappearing," says Hawley. Men Are Not On Their Way to Extinction After All 2012-02-22T22:15:26.303Z That inhibitory zone was extended in five stages until it covered the whole of Y chromosome except its very tips. Y Chromosome, Though Diminished, Is Holding Its Ground 2012-02-22T18:56:43Z In a , they compared the human Y chromosome with that of the chimpanzee, whose lineage diverged from that of humans about six million years ago. Male extinction theory challenged 2012-02-22T18:39:44Z Apart from determining maleness and fertility, the other roles of the Y chromosome in health and disease were not clear for many years. The Y Chromosome May Explain Why Men Have Earlier Coronary Disease 2012-02-09T18:21:18Z The data led them to conclude that the Y chromosome decays quickly at first, then stabilizes and keeps genes important to continuing its existence, she said. Men Aren’t Going Extinct, Study of Shrinking Y Chromosome Finds 2012-02-23T00:49:01Z The Y chromosome emerged around 200 or 300 million years ago, in a common ancestor of most mammals. Men Are Not On Their Way to Extinction After All 2012-02-22T22:15:26.303Z The Y chromosome began its self-sacrificing downsizing in the gallant cause of protecting women. Y Chromosome, Though Diminished, Is Holding Its Ground 2012-02-22T18:56:43Z Professor Jennifer Graves of Australian National University the Y chromosome may become extinct in as little as five million years' time, based on the rate at which genes are disappearing from the chromosome. Male extinction theory challenged 2012-02-22T18:39:44Z On the basis of this information, each Y chromosome was tracked back into one of 13 ancient lineages defined as haplogroups. The Y Chromosome May Explain Why Men Have Earlier Coronary Disease 2012-02-09T18:21:18Z He suggested the cluster of genes on the Y chromosome of the men with lower risk may help control inflammation, a process that is part of the formation of atherosclerotic plaques. Heart Disease Risk May Be Tied to Y Chromosome 2012-02-09T04:37:32Z The scientists say they now need to pinpoint precisely which genes on the Y chromosome are responsible. Heart disease risk 'inherited' 2012-02-09T04:00:06Z “It’s my sincere hope that this article might put the notion of the disappearing Y chromosome to rest,” Dr. Page said. Y Chromosome, Though Diminished, Is Holding Its Ground 2012-02-22T18:56:43Z And further study should help “to decipher complex interplay between human Y chromosome, immunity and cardiovascular disease,” the researchers wrote. Y Chromosome Can Raise Heart Disease Risk by 50 Percent 2012-02-09T01:15:02.690Z Using genetic information on the Y chromosome, an international team of researchers identified 9 different ancient lineages– haplogroups– in 3,233 British men. The Y Chromosome May Explain Why Men Have Earlier Coronary Disease 2012-02-09T18:21:18Z Dr. Tomaszewski and his colleagues found the Y chromosome gene association by looking at men in two large British heart disease studies. Heart Disease Risk May Be Tied to Y Chromosome 2012-02-09T04:37:32Z We are very excited about these findings as they put the Y chromosome on the map of genetic susceptibility to coronary artery disease. Heart disease risk 'inherited' 2012-02-09T04:00:06Z The Y chromosome, which determines male sex, also influences certain health factors, Kent told Reuters Health in an email. Very preterm boys less likely to survive than girls 2011-12-22T19:20:51Z From this information, the researchers took a close look at genetic markers on the Y chromosome, which is passed on from father to son. Y Chromosome Can Raise Heart Disease Risk by 50 Percent 2012-02-09T01:15:02.690Z A study of Y chromosomes from dogs such as these farm puppies in southern China suggests dogs come from that part of the world. New Data Fuels Dogfight Over the Origins of Man's Best Friend 2011-11-29T22:21:12Z Now, a new study reports that part of the answer may lie on the Y chromosome, the one chromosome unique to men. Heart Disease Risk May Be Tied to Y Chromosome 2012-02-09T04:37:32Z "Doctors usually associated the Y chromosome with maleness and fertility but this shows it is also implicated in heart disease." Heart disease risk 'inherited' 2012-02-09T04:00:06Z Every living human being’s mitochondrial DNA comes from one African woman, and all male Y chromosomes come from one man. Prize-winning photos show small wonders 2011-10-24T18:15:02Z The findings do not suggest that heart disease risk for men is entirely—or even mostly—lodged on the Y chromosome. Y Chromosome Can Raise Heart Disease Risk by 50 Percent 2012-02-09T01:15:02.690Z Now Savolainen, Zhang, and their colleagues have confirmed their earlier results by looking at a different part of the dog genome: the Y chromosome, which only males inherit. New Data Fuels Dogfight Over the Origins of Man's Best Friend 2011-11-29T22:21:12Z The testing used a lab procedure called PCR that detects genetic material — in this case, the male Y chromosome. Boy or girl? Blood test gives answer with surprising accuracy, study says, but raises concerns 2011-08-09T22:06:28Z The testing used a lab procedure called PCR that detects genetic material - in this case, the male Y chromosome. Boy or girl? A simple test raises ethical concerns 2011-08-09T22:07:09Z Numerous such studies, especially of Y chromosomes, which are transmitted via the paternal line, suggest that actual farmers, not just their ideas, spread westward over the millennia, eventually reaching the British Isles. Farming Conquered Europe at Least Twice 2011-05-31T21:41:12Z He and Zink say that they are sequencing DNA from the mitochondria and Y chromosomes of the mummies, and plan to publish these results this year. Ancient DNA: Curse of the Pharaoh's DNA 2011-04-27T17:20:32.873Z They sequenced 14,000 bases of the Y chromosomes of 151 dogs, 10 wolves, and two coyotes from around the world. New Data Fuels Dogfight Over the Origins of Man's Best Friend 2011-11-29T22:21:12Z In the 1960s British researchers identified nine men who had an extra Y chromosome and had a record of violent outbursts. Code rage: The "warrior gene" makes me mad! (Whether I have it or not) 2011-04-26T20:45:05.253Z In one test, they were able to identify a Y chromosome in four. Bones Give Peek Into the Lives of Neanderthals 2010-12-20T23:57:35Z One person, a man who had recently been convicted on a felony weapons charge, was an exact match to the Y chromosome of crime-scene DNA. Slipstream: A DNA Search Method Raises Privacy Questions 2010-07-24T15:11:00Z Then there’s a set of reports about last names and monogamy — last names are usually inherited from the father, as is the Y chromosome. So Long, and Thanks 2010-06-30T01:01:00Z The canine DNA samples from that region had a higher diversity in their Y chromosomes than samples from the Middle East or Europe, the researchers reported online 23 November in Heredity. New Data Fuels Dogfight Over the Origins of Man's Best Friend 2011-11-29T22:21:12Z In 2007 CSI: Miami nonetheless broadcast a show, titled "Born to Kill," which featured a serial killer with an extra Y chromosome. Code rage: The "warrior gene" makes me mad! (Whether I have it or not) 2011-04-26T20:45:05.253Z The two genome surveys extend earlier studies based just on the Y chromosome, the genetic element carried by all men. Studies Show Genetic Similarities of Jews 2010-06-09T20:10:00Z To narrow down their list of 200, they analyzed the Y chromosome, the male sex-determining chromosome that is passed from father to son. Slipstream: A DNA Search Method Raises Privacy Questions 2010-07-24T15:11:00Z So names and Y chromosomes will be inherited together — if mothers are faithful to their husbands, and there is no adoption. So Long, and Thanks 2010-06-30T01:01:00Z After all, in humans, whether you’re a boy or a girl comes down to whether you have a Y chromosome or not: boys do, girls don’t. Evolving Sexual Tensions 2010-03-30T22:30:00Z Since both the Y chromosome and the mitochondrial DNA lineages are ancient, Dr. Zhou and his team conclude the European and Siberian populations probably intermarried before entering the Tarim Basin some 4,000 years ago. In a Desert in China, a Trove of 4,000-Year-Old Mummies 2010-03-15T22:17:00Z And controversies remain over how exactly to estimate the ages of Y chromosome lineages. 2010-01-20T16:21:00Z Only men carry the Y chromosome, so when these genes were found in a pregnant woman's blood sample, the fetus was assumed to be male. 2010-01-18T18:24:00Z Y chromosomes, surnames and the genetic genealogy revolution.” So Long, and Thanks 2010-06-30T01:01:00Z Many genes that govern sperm production are situated on the Y chromosome, and any genetic variation that improves a chimp’s chances of fatherhood will be favored and quickly spread through the population. 2010-01-14T07:36:00Z Each mature egg contains one X, each mature sperm contains one X, or a Y chromosome. A Critique of the Theory of Evolution In total, this means that more than 80% of European Y chromosomes descend from incoming farmers. 2010-01-20T16:21:00Z The straight ones are called the X chromosomes, the bent one the Y chromosome. Hormones and Heredity Far from being in a state of decay, the Y chromosome is the fastest-changing part of the human genome and is constantly renewing itself. 2010-01-14T07:36:00Z “Natural selection is shaping the Y and keeping it vital to a degree that is really at odds with the idea of the last 50 years of a rotting Y chromosome,” Dr. Page said. 2010-01-14T07:36:00Z Other evidence has shown that the Y chromosome of the male is indifferent, so far as these Mendelian factors are concerned. A Critique of the Theory of Evolution But the Y chromosomes differ in 30 percent of their DNA, meaning that these chromosomes are changing far faster in both species than the rest of the genome. 2010-01-14T07:36:00Z The factor for red eye then is present in both X chromosomes of the wild female, absent from both X and Y chromosomes of the white-eyed male. Hormones and Heredity The X chromosome in the male is represented by an open bar, the Y chromosome is bent. A Critique of the Theory of Evolution “It is now clear that the Y chromosome is by far the most rapidly evolving part of the human and chimp genomes.” 2010-01-14T07:36:00Z The females that gave these results were found by Bridges to have two X's and a Y chromosome. A Critique of the Theory of Evolution |
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