| 单词 | reproductive cell |
| 例句 | "To understand how chromosomes separate into reproductive cells correctly, we are really interested in what happens right before that when the synaptonemal complex forms between them." Why do some men not produce sperm? 2023-10-20T04:00:00Z To assess which corals could more readily handle higher temperatures, the scientists collected coral reproductive cells, known as gametes, from two different coral reef sites in the Florida Keys. Surprising discovery about coral's resilience could help reefs survive climate change 2023-10-17T04:00:00Z Once they're in the lungs, those spores take on a wholly different form, each morphing into a reproductive cell in which new spores multiply. Valley Fever Is a Growing Fungal Threat to Outdoor Workers 2023-09-23T04:00:00Z These come in two "dimorphic" sizes, "small worker cells and large reproductive cells, which forces the builders to join differently sized hexagons," the authors explain. Hexagon heaven: Scientists reveal bees and wasps use the same math to build their nests 2023-07-27T04:00:00Z The program has since given out 41 grants, supporting everything from toxicants that target reproductive cells to RNA-based drugs that attempt to silence the genetic machinery that leads to conception. Hello kitty, goodbye kittens? Gene therapy spays cats without surgery 2023-06-06T04:00:00Z They had to develop strategies to avoid drying out, to disperse reproductive cells in air, for structural support, and for capturing and filtering sunlight. Fundamentals of Biology 2015-01-01T00:00:00Z The process of meiosis produces genetically unique reproductive cells called gametes, which have half the number of chromosomes as the parent cell. Concepts of Biology 2013-04-25T00:00:00Z Loh researched fertility clinics overseas, but became discouraged by the cost and the complexities of accessing her gametes, or reproductive cells, from Singapore. Dubbed torture, ID policies leave transgender people sterile 2022-11-10T05:00:00Z What are the “body” cells called and how are they different from the reproductive cells? Biology for AP Courses 2022-06-09T00:00:00Z Peas are normally self-pollinating, which means that the male and female reproductive cells come from within the same flower. Miller & Levine Biology 2018-01-01T00:00:00Z Because each of these reproductive cells is a haploid cell containing half of the genetic material needed to form a human being, their combination forms a diploid cell. Anatomy and Physiology 2013-06-19T00:00:00Z Plants had to evolve strategies to avoid drying out, to disperse reproductive cells in air, for structural support, and to filter sunlight. Concepts of Biology 2013-04-25T00:00:00Z Here’s the big twist: Some retroviruses infect reproductive cells—the cells that produce eggs or sperm—and in doing that, they insert their DNA into the heritable genome of the host. How viruses shape our world 2021-01-14T05:00:00Z Body cells are called gametes and they have half the number of chromosomes found in reproductive cells. Biology for AP Courses 2022-06-09T00:00:00Z Mendel suggested that the segregation of the alleles for yellow and green pods occurred during the formation of the reproductive cells, or gametes. Miller & Levine Biology 2018-01-01T00:00:00Z Gametes are the reproductive cells that combine to form offspring. Anatomy and Physiology 2013-06-19T00:00:00Z The gametophyte gives rise to the gametes, or reproductive cells, by mitosis. Concepts of Biology 2013-04-25T00:00:00Z Fungi grow as a mass of branched filaments called mycelium that often sprouts individual reproductive cells called spores. Dirt Doesn’t Smell like Dirt 2020-04-19T04:00:00Z Body cells are called somatic cells and have double the number of chromosomes found in reproductive cells. Biology for AP Courses 2022-06-09T00:00:00Z Each gametophyte produces reproductive cells called gametes, also known as sperm and egg cells. Miller & Levine Biology 2018-01-01T00:00:00Z They are the first embryo-like sacs to produce rudimentary reproductive cells. Daily briefing: This is what it takes to stop Ebola 2019-09-11T04:00:00Z China may be forced to preserve the species by storing reproductive cells and repopulating the river when conditions improve. Fit for porpoise: China races to save last Yangtze river mammal 2019-09-07T04:00:00Z That finding suggested the plants were somehow eliminating harmful mutations in their somatic cells and accumulating beneficial ones for their reproductive cells. Meet the monkeyflower, a weed that may hold the key to zebra stripes and other biological mysteries 2019-08-29T04:00:00Z Spores are haploid reproductive cells that can produce diploid cells without fertilization. Biology for AP Courses 2022-06-09T00:00:00Z "Before having resolved these important safety issues, any editing of reproductive cells or creation of gene-edited humans would be extremely irresponsible behavior," he concluded. The untold story of the ‘circle of trust’ behind the world’s first gene-edited babies 2019-08-01T04:00:00Z The second mission, Mission Lotus, was all about conceiving a child in space by sending reproductive cells to orbit in what SpaceLife Origin called a “Space-Embryo-Incubator.” Space birth startup’s CEO halts project over "serious ethical, safety and medical concerns" 2019-07-03T04:00:00Z Humans and all other multicellular eukaryotes, including plants, have specialized reproductive cells, such as sperm or eggs or their stem cells, and only bacterial genes picked up by those cells could be passed on. Plants and animals sometimes take genes from bacteria, study of algae suggests 2019-01-29T05:00:00Z Their advantage, graduate student Jaime Schwoch of Portland State University in Oregon found, is rooted in the way they produce reproductive cells. Meet the monkeyflower, a weed that may hold the key to zebra stripes and other biological mysteries 2019-08-29T04:00:00Z These cells went through meiosis, an adaption of mitosis, which reduced the number of chromosomes in each reproductive cell by half, while increasing the number of cells through cell division. Biology for AP Courses 2022-06-09T00:00:00Z Could someone unknowingly be made a parent without their permission, if someone creates reproductive cells from a cheek smear? The 'game-changing’ technique to create babies from skin cells just stepped forward 2018-09-20T04:00:00Z The romantic portrait of an interracial family is that parents from two different worlds combine their love and reproductive cells to create a new class of multicultural ambassadors. How Maya Rudolph Became the Master of Impressions 2018-09-14T04:00:00Z Now, researchers report that in mice some of these substitutes may cause the same ill effects, particularly in reproductive cells. BPA substitutes may be just as bad as the popular consumer plastic 2018-09-13T04:00:00Z The germ line of animals, meaning the eggs and the sperm and the reproductive cells that give rise to them, is held separate from such influences. The Scientist Who Scrambled Darwin’s Tree of Life 2018-08-13T04:00:00Z Processes developed to produce reproductive cells that had exactly half the number of chromosomes of each parent so that new combinations would have the appropriate amount of genetic material. Biology for AP Courses 2022-06-09T00:00:00Z This procedure changes the DNA of reproductive cells and therefore affects future generations and inheritable traits. ‘Designer babies’ offer miracle cures, questionable ethics 2018-06-14T04:00:00Z These spores are conidia, asexually-produced reproductive cells, and are termed a Stage I infection. Zombie Cicadas' Bodies Are Literally Falling Apart 2018-04-21T04:00:00Z There’s a tug-of-war going on inside reproductive cells. Watch a rigged game of tug-of-war inside the egg cells of mammals 2017-11-06T05:00:00Z Females, on the other hand, produce a small number of large reproductive cells, and so invest more energy and resources in each. It's Mostly Mothers Who Pass on Mitochondria 2017-11-05T04:00:00Z The process of meiosis produces unique reproductive cells called gametes, which have half the number of chromosomes as the parent cell. Biology for AP Courses 2022-06-09T00:00:00Z If so, the research may be yet another step toward what is called germline engineering, or changing the genetic material in reproductive cells, so that any offspring would pass the changes on to future generations. Opinion | A life-changing genetics breakthrough deserves celebration — and demands caution 2017-08-02T04:00:00Z When LINE-1 retrotransposons move within the genome of reproductive cells and insert themselves in new places, they can disrupt important genes. Medicine's Movable Feast: What Jumping Genes Can Teach Us about Treating Disease 2017-07-26T04:00:00Z Animals shield their reproductive cells from these mutations by isolating them early in development. Ancient oak's youthful genome surprises biologists 2017-06-18T04:00:00Z The concern is over the use of the technology in human reproductive cells or early embryos because the changes would be passed along to offspring. Scientists soften on DNA editing of human eggs, sperm, embryos: report 2017-02-14T05:00:00Z However, the ways in which reproductive cells are produced and the timing between meiosis and fertilization vary greatly. Biology for AP Courses 2022-06-09T00:00:00Z But there is also the matter of ensuring that injured veterans needing the treatments have reproductive cells they can work with — and that too can be cost-prohibitive for soldiers with limited income. Congress wrestles with providing fertility benefits for injured veterans and servicemembers 2016-07-27T04:00:00Z That report — a world first — fuelled global deliberations over the ethics of modifying embryos and human reproductive cells, and led to calls for a moratorium on even such proof-of-principle research. Second Chinese team reports gene editing in human embryos 2016-04-07T04:00:00Z That’s a huge step toward better understanding how reproductive cells form, and could lead to more studies that eventually will help human cases of infertility. It’s Now Possible to Make Mouse Sperm in a Lab 2016-02-25T05:00:00Z Although gene editing of human reproductive cells to correct inherited diseases "must be approached with caution, caution does not mean prohibition," the committee said in a statement. Scientists soften on DNA editing of human eggs, sperm, embryos: report 2017-02-14T05:00:00Z Body cells are called somatic cells and have the same number of chromosomes as reproductive cells. Biology for AP Courses 2022-06-09T00:00:00Z The Pentagon joins companies such as Facebook and Apple in funding the freezing of the reproductive cells of their employees, The New York Times first reported. The Pentagon will pay for troops to freeze their eggs and sperm 2016-02-05T05:00:00Z 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 Changes made in the genes of human reproductive cells, known as germline cells, would be passed along to future generations. Too early to use gene editing in embryos: scientist 2015-12-02T05:00:00Z Yet many scientists said it's not too early to consider the biggest ethical quandary, that performing what's called germline editing, manipulating reproductive cells — sperm, eggs or embryos — could spread gene changes to future generations. Scientists, ethicists begin tackling questions about how to use powerful new gene-editing tool 2015-12-02T05:00:00Z Body cells are called gametes and have double the number of chromosomes found in reproductive cells. Biology for AP Courses 2022-06-09T00:00:00Z Hille Haker, chair of Catholic Moral Theology at Loyola University Chicago, argued on Tuesday in favor of a two-year international ban on research that involves changing human reproductive cells, also known as germline cells. Ethicists square off over editing genes in human embryos 2015-12-01T05:00:00Z Groups like the Center for Genetics and Society are urging scientists to just say no to gene editing in human embryos and reproductive cells. Gene ‘editing’ ethics questioned for human reproduction 2015-11-30T05:00:00Z In the study, scientists genetically altered mice so the rodents’ reproductive cells didn’t express certain genes. Altering how sperm develop could lead to a reversible male birth control 2015-10-04T04:00:00Z One called for more public discussion and the other proposed a voluntary moratorium on editing human reproductive cells. The ethical and social concerns of modifying our DNA 2015-08-03T04:00:00Z Spores are haploid reproductive cells that can produce haploid organisms through mitosis. Biology for AP Courses 2022-06-09T00:00:00Z Some scientists believe it is already too late to ban any use of the technology in human reproductive cells because the technology is easily accessible and in widespread use in many labs. Ethicists square off over editing genes in human embryos 2015-12-01T05:00:00Z But recent advances in procedures that tinker with reproductive cells are often seen as an exception. Why the Case Against Designer Babies Falls Apart 2015-07-30T04:00:00Z They double the number of chromosomes in their reproductive cells twice before cell division begins instead — so at the end of the process, their eggs have the right number of chromosomes for a female clone. The Verge Review of Animals: the all-female whiptail lizard 2015-07-19T04:00:00Z At this early stage, scientists should agree not to modify the DNA of human reproductive cells. Don’t edit the human germ line 2015-03-11T04:00:00Z The main difference is in the type of cell produced: mitosis produces identical cells, allowing growth or repair of tissues; meiosis generates reproductive cells, or gametes. Biology for AP Courses 2022-06-09T00:00:00Z In 1980, she initiated the Germplasm Repository — a collection of frozen reproductive cells from endangered species that capture genetic diversity, allowing it to be reintroduced into gene pools. Ecology: Conservation in captivity 2013-06-12T17:50:45.810Z By identifying the genes involved in the process, the experts now hope to gain an understanding of what goes on in the creation of fertile reproductive cells. 'Huddle' gene link to infertility 2012-11-26T11:52:40Z In such colonial forms natural death is found appearing for the first time, the reproductive cells alone continuing to perpetuate the species. Being Well-Born An Introduction to Eugenics 2012-05-22T15:16:53.140Z In the Diptera the first division of the egg-cell separates the nuclear material of the subsequent reproductive cells from the material that is elaborated into the new organism to contain these cells. Encyclopaedia Britannica, 11th Edition, Volume 13, Slice 3 "Helmont, Jean" to "Hernosand" 2012-04-14T02:00:23.707Z In many cases, and the list is being added to, the future reproductive cells are segregated off at an early stage in embryonic development. Herbert Spencer 2012-02-29T03:00:20.773Z The new research, by a team led by the biologist Jonathan L. Tilly, depends on a special protein found to mark the surface of reproductive cells like eggs and sperm. Scientists Use Stem Cells to Generate Human Eggs 2012-02-27T00:30:27Z Only the reproductive cells contain real germplasm, and only these contain the conditions for maintaining the species, as they alone serve for the starting of new generations of development. The Biological Problem of To-day Preformation Or Epigenesis? The Basis of a Theory of Organic Development 2011-08-29T02:01:04.170Z These two kinds of reproductive cells in multicellular organisms are derived ordinarily from two separate individuals known as male and female, though there are some exceptions. Being Well-Born An Introduction to Eugenics 2012-05-22T15:16:53.140Z The reproductive cell produced by the male is called the spermatozoon, and that produced by the female, the ovum. Encyclopaedia Britannica, 11th Edition, Volume 9, Slice 3 "Electrostatics" to "Engis" 2011-02-06T03:00:53.093Z In the majority of cases, we admit, the reproductive cells are not to be seen in early segregation, and the continuous lineage from the fertilised ovum cannot be traced. Herbert Spencer 2012-02-29T03:00:20.773Z It seems clear, however, that there was but a single duct and a single bunch of reproductive cells, as in the holothurians, though perhaps bifurcate, as in some of those animals. Encyclopaedia Britannica, 11th Edition, Volume 8, Slice 10 "Echinoderma" to "Edward" 2011-01-19T03:00:19.027Z Between somatic cells and reproductive cells Weismann places a gulf that cannot be bridged. The Biological Problem of To-day Preformation Or Epigenesis? The Basis of a Theory of Organic Development 2011-08-29T02:01:04.170Z Moreover, it shows an interesting stage in the establishment of a body or soma distinct from special reproductive cells which have taken on the function of reproducing the colony. Being Well-Born An Introduction to Eugenics 2012-05-22T15:16:53.140Z The parent produces by a process of unequal fission, which takes place at a part of the body called the reproductive gland, a small living organism called the reproductive cell. Encyclopaedia Britannica, 11th Edition, Volume 9, Slice 3 "Electrostatics" to "Engis" 2011-02-06T03:00:53.093Z These reproductive cells contain the germinal material or germ-plasm, and this again, in its specific molecular structure, is the bearer of the hereditary tendencies of the organisms from which the reproductive cells originate. Herbert Spencer 2012-02-29T03:00:20.773Z The reproductive cells are modified coelomic cells, which lie on the ventral vessel. Encyclopaedia Britannica, 11th Edition, Volume 8, Slice 10 "Echinoderma" to "Edward" 2011-01-19T03:00:19.027Z The reproductive cells, like unicellular organisms, are regarded as immortal, the somatic cells as mortal. The Biological Problem of To-day Preformation Or Epigenesis? The Basis of a Theory of Organic Development 2011-08-29T02:01:04.170Z Egg cell, the large, non-motile reproductive cell, with which a sperm cell fuses. A Guide for the Study of Animals 2011-01-18T03:00:14.913Z A sperm-producing gene that appeared at the dawn of animal evolution is present in nearly every animal, from sea anemones to people, suggesting that the male reproductive cell evolved from a common ancestor. Animal Sperm Arose Once 2010-07-16T14:49:00Z Even before differentiation sets in, the future reproductive cells may be set apart from the body-forming cells. Herbert Spencer 2012-02-29T03:00:20.773Z They are lined by cells charged with a yellow or brown pigment, and besides their excretory functions they act as ducts through which the reproductive cells leave the body. Encyclopaedia Britannica, 11th Edition, Volume 4, Slice 3 "Borgia, Lucrezia" to "Bradford, John" Thirdly, the reproductive cells are derived from the egg-cell just in the same way as other tissue cells are derived from it. The Biological Problem of To-day Preformation Or Epigenesis? The Basis of a Theory of Organic Development 2011-08-29T02:01:04.170Z Sperm cells, the small, often motile, reproductive cell, which fuses with the egg cell. A Guide for the Study of Animals 2011-01-18T03:00:14.913Z The same transformation of the reproductive cells into non-separable tissue cells is repeated several times in multicellular plants and serves to enlarge the individual. A Mechanico-Physiological Theory of Organic Evolution But the reproductive cells are set apart; they take no share in the differentiation, but remain virtually unchanged, continuing unaltered the protoplasmic tradition of the original fertilised ovum. Herbert Spencer 2012-02-29T03:00:20.773Z A spore is a minute cell containing a nucleus or living germ, the reproductive cell germ called by some authors the germinating granule. Student's Hand-book of Mushrooms of America, Edible and Poisonous From this point of view, the immortality of unicellular organisms and of the germplasm breaks down, and, above all, the artificial distinction between somatic cells and reproductive cells. The Biological Problem of To-day Preformation Or Epigenesis? The Basis of a Theory of Organic Development 2011-08-29T02:01:04.170Z From some portion of their surface an elongated germ filament is produced, into which the contents of the reproductive cell pass until quite exhausted. Fungi: Their Nature and Uses Asexual reproductive cells which arise by budding, instead of separating, become cell branches or branched cell threads. A Mechanico-Physiological Theory of Organic Evolution In the development of the threadworm of the horse according to Boveri, the very first cleavage of the ovum establishes a distinction between somatic and reproductive cells. Herbert Spencer 2012-02-29T03:00:20.773Z As a general rule it may be stated that the reproductive cells produced by the female are relatively large and without the power of independent movement. Mendelism Third Edition Between somatic cells and reproductive cells there is no strong contrast, no gulf that cannot be bridged. The Biological Problem of To-day Preformation Or Epigenesis? The Basis of a Theory of Organic Development 2011-08-29T02:01:04.170Z Germ-ball: reproductive cells in larvae from which, exceptionally, young may develop as buds. Explanation of Terms Used in Entomology The individual is capable of reproduction and the new ontogenies begin in the reproductive cells. A Mechanico-Physiological Theory of Organic Evolution These cells kept by themselves are the originators of the future reproductive cells of the mature animal; they give rise to the egg-cells and the sperm-cells. The Outline of Science, Vol. 1 (of 4) A Plain Story Simply Told Within the capsule numerous reproductive cells, the spores, are developed. Encyclopaedia Britannica, 11th Edition, Volume 4, Part 3 "Brescia" to "Bulgaria" Soma, the body of a plant or animal as contrasted with the reproductive cells contained within it, 45. The Biological Problem of To-day Preformation Or Epigenesis? The Basis of a Theory of Organic Development 2011-08-29T02:01:04.170Z An egg; the reproductive cell of an animal or vegetable. Mother's Remedies Over One Thousand Tried and Tested Remedies from Mothers of the United States and Canada Asexual reproductive cells which arise by division, remain united and become tissue cells. A Mechanico-Physiological Theory of Organic Evolution The soma is in a sense "a secondary appendage of the real bearer of life—the reproductive cells." The Birth-Time of the World and Other Scientific Essays The female reproductive cell is called the egg, and it is this cell which divides to form the next generation. The Story of the Living Machine A Review of the Conclusions of Modern Biology in Regard to the Mechanism Which Controls the Phenomena of Living Activity On the contrary, all the cell series, not only those of the reproductive cells, are immortal. Scientific American Supplement, No. 810, July 11, 1891 In volvox they are entirely subservient to, and exist for, the reproductive cells, and die when they have completed their service of these. The Whence and the Whither of Man A Brief History of His Origin and Development through Conformity to Environment; Being the Morse Lectures of 1895 On the other hand, the universal contraction and rounding off of the protoplasm, and the formation by either rejuvenescence or free-cell formation, distinctly mark out the special or true reproductive cell. Scientific American Supplement, No. 531, March 6, 1886 He bases the appearance of death on variations in the reproductive cells, encouraged by the ceaseless action of natural selection, which led to a differentiation into perishable somatic cells and immortal reproductive cells. The Birth-Time of the World and Other Scientific Essays If this egg should now unite with the other reproductive cell from the male, the resulting fertilized egg would plainly contain a number of chromosomes larger than that normal for this species of animal. The Story of the Living Machine A Review of the Conclusions of Modern Biology in Regard to the Mechanism Which Controls the Phenomena of Living Activity A man is the outgrowth of the double cell produced from the conjugation of two human reproductive cells, and consists of all the cells which arise from this and remain in connection with each other. Scientific American Supplement, No. 810, July 11, 1891 But beside the reproductive cells and tissues hydra has developed a very simple digestive system, in which the newly caught food at least macerates and begins to be dissolved. The Whence and the Whither of Man A Brief History of His Origin and Development through Conformity to Environment; Being the Morse Lectures of 1895 Here the contents of the cell contract, rearrange themselves, and burst the side of the containing wall, becoming free as a reproductive cell. Scientific American Supplement, No. 531, March 6, 1886 As they possess definite canals for the removal of their gross secretion, the specific reproductive cells, ova or spermatozoa, to a surface of the body, they are first of all glands of external secretion. The Glands Regulating Personality But if the two reproductive cells should unite at once the number of chromosomes would be doubled in each generation, and hence be constantly increasing. The Story of the Living Machine A Review of the Conclusions of Modern Biology in Regard to the Mechanism Which Controls the Phenomena of Living Activity The human individual originates at the moment of the mingling of the nuclei of the reproductive cells; and the details of this mingling determine his individual peculiarities. Scientific American Supplement, No. 810, July 11, 1891 For the nutritive cells die when they have brought the reproductive cells to their full development. The Whence and the Whither of Man A Brief History of His Origin and Development through Conformity to Environment; Being the Morse Lectures of 1895 It does develop into a plant in which on certain modified leaves are produced masses of tissue in which two kinds of special reproductive cells are formed. Scientific American Supplement, No. 531, March 6, 1886 Then within that form a patch of cells arise which the microscopist recognizes as the forerunners of the male or the female reproductive cells. The Glands Regulating Personality Previously to this process the other sexual cell, the spermatozoon, or male reproductive cell, has been undergoing a somewhat similar process. The Story of the Living Machine A Review of the Conclusions of Modern Biology in Regard to the Mechanism Which Controls the Phenomena of Living Activity His whole structure is acquired by means of selection with this one object in view, the maintenance of the series of reproductive cells. Scientific American Supplement, No. 810, July 11, 1891 It corresponds in structure with the fully developed volvox, except, of course, in lacking reproductive cells. The Whence and the Whither of Man A Brief History of His Origin and Development through Conformity to Environment; Being the Morse Lectures of 1895 Of the order of unconscious memory, latent till the arrival of the appropriate stimulus, is all the co-operative growth and work of the organism, including its development from the reproductive cells. Unconscious Memory The inner or vegetative layer of cells acts throughout life as a gut-lining, or nutritive layer of enteric cells, and often also yields the reproductive cells. The Evolution of Man — Volume 1 Now by some mechanical means these two reproductive cells are brought in contact with each other, shown in Fig. The Story of the Living Machine A Review of the Conclusions of Modern Biology in Regard to the Mechanism Which Controls the Phenomena of Living Activity From this standpoint the individual loses his significance and becomes, so to speak, the slave of the reproductive cells. Scientific American Supplement, No. 810, July 11, 1891 The female and male germinal cells unite and form the primitive reproductive cell—the prototype of marriage. Nature Cure In some instances even an almost complete stoppage of growth may be caused, reproductive cells being scarcely formed before the organism is again compelled to resort to reproduction. Darwin and Modern Science Of all those countless cells which, in the course of a lifetime, are thrown off from the body, only one kind is adapted for existence outside the body, namely, the reproductive cells. Scientific American Supplement, No. 810, July 11, 1891 This explanation is that some of the chromatin material or germ plasm is handed down from one generation to another, and is stored temporarily in the nucleii of the reproductive cells. The Story of the Living Machine A Review of the Conclusions of Modern Biology in Regard to the Mechanism Which Controls the Phenomena of Living Activity Twigs from these branches represent the human individuals, and any one who considers the matter must recognize that, as was said above, apart from the preservation of the reproductive cell series the individuals are purposeless. Scientific American Supplement, No. 810, July 11, 1891 The human body with its millions of cells and cell colonies is developed by the multiplication, with gradual differentiation, of the reproductive cell. Nature Cure Among the lower animals the reproductive cells often leave the body of their parents only after the death of the latter. Scientific American Supplement, No. 810, July 11, 1891 Like raveled threads whose branches separate and reunite, the series of reproductive cells permeate the successive generations of the human race. Scientific American Supplement, No. 810, July 11, 1891 They continually give off other cell series which branch out from this network of reproductive cells, and, after a longer or shorter course, come to an end. Scientific American Supplement, No. 810, July 11, 1891 We find the justification of ancestor worship in the immortality of the reproductive cells, and in the continuity of their series. Scientific American Supplement, No. 810, July 11, 1891 The immortality of the reproductive cells is only potential and is essentially different from that absolute eternal life which certain religions ascribe to the soul. Scientific American Supplement, No. 810, July 11, 1891 Each religion must have a true foundation, and the deification of our forefathers has this true and natural foundation inasmuch as they belong to the same series of reproductive cells as their descendants. Scientific American Supplement, No. 810, July 11, 1891 |
| 随便看 |
英语例句辞典收录了117811条英语例句在线翻译词条，基本涵盖了全部常用单词及词组的例句翻译及用法，是英语学习的有利工具。