单词 |
sister chromatid exchange |
释义 |
DictionarySeeexchangesister chromatid exchange
sis·ter chro·ma·tid ex·changethe exchange during mitosis of homologous genetic material between sister chromatids; increased as a result of inordinate chromosomal fragility due to genetic or environmental factors. See: recombination. sister chromatid exchangeThe exchange of corresponding parts of homologous maternal and paternal chromosomes during the first meiotic division. This contributes to genetic diversity in the offspring. Synonym: crossing overSee also: exchangeAcronymsSeesaccharomyces cerevisiae |
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