| 单词 | nondisjunction |
| 例句 | Aneuploidy results when the gametes have too many or too few chromosomes due to nondisjunction during meiosis. Fundamentals of Biology 2015-01-01T00:00:00Z The risk of nondisjunction increases with the age of the parents. Concepts of Biology 2013-04-25T00:00:00Z The risk of nondisjunction occurring increases with the age of the parents. Biology for AP Courses 2022-06-09T00:00:00Z If nondisjunction occurs during meiosis, gametes with an abnormal number of chromosomes may result, leading to a disorder of chromosome numbers. Miller & Levine Biology 2018-01-01T00:00:00Z The most common cause of trisomy 21 is chromosomal nondisjunction during meiosis. Anatomy and Physiology 2013-06-19T00:00:00Z With the help the diagram given, choose the most appropriate statement describing nondisjunction and its genetic consequences. Biology for AP Courses 2022-06-09T00:00:00Z Because they force chromosomes to assume contorted pairings during meiosis I, inversions and translocations are often associated with reduced fertility because of the likelihood of nondisjunction. Concepts of Biology 2013-04-25T00:00:00Z Cells are more likely to make mistakes as we age due to an increase in the nondisjunction of cells during cell division, which is the reason for the occurrence of Down syndrome. Biology for AP Courses 2022-06-09T00:00:00Z In males, nondisjunction may cause Klinefelter’s syndrome, resulting from the inheritance of an extra X chromosome. Miller & Levine Biology 2018-01-01T00:00:00Z The frequency of nondisjunction events appears to increase with age, so the frequency of bearing a child with Down syndrome increases in women over 36. Anatomy and Physiology 2013-06-19T00:00:00Z Blocking glycolysis in RBCs interrupts the process of mitosis leading to nondisjunction. Biology for AP Courses 2022-06-09T00:00:00Z Down Syndrome is a genetic, developmental condition caused by nondisjunction of chromosome 21 during meiosis. Biology for AP Courses 2022-06-09T00:00:00Z The M checkpoint ensures the proper duplication of DNA and if it fails, the cells may undergo nondisjunction of chromosomes. Biology for AP Courses 2022-06-09T00:00:00Z This mistake is known as nondisjunction, which means “not coming apart.” Miller & Levine Biology 2018-01-01T00:00:00Z The age of the father matters less because nondisjunction is much less likely to occur in a sperm than in an egg. Anatomy and Physiology 2013-06-19T00:00:00Z The M checkpoint checks for proper separation of sister chromatids and if it fails, then cells may undergo nondisjunction of chromosomes. Biology for AP Courses 2022-06-09T00:00:00Z Misaligned or incomplete synapsis, or a dysfunction of the spindle apparatus that facilitates chromosome migration, can cause nondisjunction. Biology for AP Courses 2022-06-09T00:00:00Z Because they force chromosomes to assume unnatural topologies during meiosis, inversions and translocations are often associated with reduced fertility because of the likelihood of nondisjunction. Biology for AP Courses 2022-06-09T00:00:00Z |
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