英语词汇“genetic drift”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

genetic drift

noun [mass noun] Biology

Variation in the relative frequency of different genotypes in a small population, owing to the chance disappearance of particular genes as individuals die or do not reproduce.Rare and endangered species are susceptible to loss of genetic variation through genetic drift in small populations....

In the absence of selection, these values reflect divergence in allele frequencies due to genetic drift.
The relative importance of selection and genetic drift in the evolution of duplicated genes is under debate.

单词	genetic drift
释义	genetic drift noun [mass noun] Biology Variation in the relative frequency of different genotypes in a small population, owing to the chance disappearance of particular genes as individuals die or do not reproduce.Rare and endangered species are susceptible to loss of genetic variation through genetic drift in small populations.... In the absence of selection, these values reflect divergence in allele frequencies due to genetic drift. The relative importance of selection and genetic drift in the evolution of duplicated genes is under debate.
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