随机遗传漂变（random genetics drift）即遗传漂变（genetic drift），由于某种随机因素，某一等位基因的频率在群体（尤其是在小群体）中出现世代传递的波动现象。
随机漂变对人类进化的作用的确巨大。
Random genetic drift has certainly played a big role in human evolution.
我们所称为遗传漂变的遗传变异的随机损失过程如何？（等等问题都应该予以考虑。）
And what about the process of random loss of genetic variants, which we call genetic drift?
虽然任何中立变异随机传播的可能性很小，每一代个体产生的大量变异却使基因漂变具备显著的力量。
Although the likelihood of any neutral mutation spreading by chance is tiny, the enormous number of mutations in each generation makes genetic drift a significant force.
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