genetic drift

基因频率的随机变化

常用释义

词性释义

基因漂变:指在小种群中,基因频率的随机变化,可能导致特定基因的保留或灭绝。
例句
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1·This "genetic drift" happens at a constant rate.
这种“遗传漂变”以恒定的速率产生结果。
2·Genetic drift can even counteract natural selection.
基因漂变甚至可以抵消自然选择。
3·Random genetic drift has certainly played a big role in human evolution.
随机漂变对人类进化的作用的确巨大。
4·Scientists have found another kind of genetic drift in neutral traits.
除此而外,科学工作者还发现中性特征方面的另外一种遗传偏移。
5·The unflattering answer could be for no other reason than random genetic drift.
答案是基因随机变异,这一点儿不讨人喜欢。
6·Cultural drift is a process roughly analogous to genetic drift in evolutionary biology.
文化漂变是一个与进化生物学中的遗传漂变大致类似的过程。
7·Genetic drift reduces diversity in populations more quickly than mutation can introduce it.
遗传漂变减少人口差异的速度比变异要快得多。
8·And what about the process of random loss of genetic variants, which we call genetic drift?
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。)
9·New versions of a gene can also become universal in a population through a random process known as genetic drift.
当人体经过遗传漂变的过程后,基因变种在人类中变得更常见。
10·Whether speciation is achieved normally via genetic drift or natural selection is the subject of much ongoing discussion.
究竟正常的物种形成是通过遗传漂变还是通过自然选择达到的,是现在正在进行热烈讨论的话题。