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.
所谓遗传漂变就是指：在一个有限的种群内，由于配子的随机取样使得遗传组成在种群内发生变化的现象。
Genetic drift is change in the genetic composition of a population arising as a consequence of sampling of gametes in a finite population.
所谓遗传漂变就是指：在一个有限的种群内，由于配子的随机取样使得遗传组成在种群内发生变化的现象。
Genetic drift is change in the genetic composition of a population arising as a consequence of sampling of gametes in a finite population.
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