This "genetic drift" happens at a constant rate.
这种“遗传漂变”以恒定的速率产生结果。
Genetic drift can even counteract natural selection.
基因漂变甚至可以抵消自然选择。
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。
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。
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。
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。
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。
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。）
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。
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。
Much change is due to random genetic drift rather than positive selection. It could be called the survival of the luckiest.
许多变化源于基因的随机变异而非自由选择。我们可以称其为幸运者生存。
One is that because tropical species often have smaller populations than temperate ones, they are more susceptible to genetic drift.
一种假说认为生长在热带地区的物种比温带物种的种群小，所以受遗传漂变的影响更大。
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。
There is no doubt that most of the genetic differences between humans and other apes – and between different human populations – are due to genetic drift.
毫无疑问，人类与猿猴之间以及不同人群之间的大部分基因差异都是因为基因漂变而产生。
Neutral mutation — Evolution at the molecular level is primarily determined by mutational input and random genetic drift, rather than by natural selection.
天然突变——演化过程中在分子的层次上主要是经由随机的基因流而决定，并非借由天择所影响。
Minimizing the genetic drift in fertility was key to the purification and reproduction of thermo photo sensitive genic male sterile (TPSGMS) lines of wheat.
最大限度控制育性的遗传漂移，是小麦温光敏核不育系提纯中要解决的主要问题。
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.
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。
This study results indicated that high level genetic variation was still in Red mirror carp population, but genetic drift and artificial se- lection had much effect on population.
这表明红镜鲤群体仍具有较高的变异水平，但遗传漂变和人工选择已对群体产生了较大影响。
Genetic variation is major study content in conservation genetics. In small population, genetic variation loss because of bottleneck effect, inbreeding, founder effect, and genetic drift.
遗传变异性是遗传保护研究的主要内容，在小种群中，往往由于瓶颈效应、近亲繁殖、奠基者效应和遗传漂变等使得遗传变异性减少。
And gene flows of 4 populations were over 2, which suggested that there existed sufficient genetic exchanges to prevent the genetic differentiation made by genetic drift among population.
并且4个居群的基因流值都大于2，说明基因交流防止了由遗传漂变引起的居群间的遗传分化。
Changes to influenza viruses can happen as a result of quick mutations or as the end result of a slower drift in genetic material.
发生在流感病毒上的变化，可能源于某种快速变异，也可能是遗传物质缓慢漂移的最终结果。
They maintain that sailors, fishermen, or passengers occasionally survived the drift and settled in the Americas, injecting new cultural and genetic elements into its native societies.
这些人给美洲本土社会注入了新的文化和基因。
They maintain that sailors, fishermen, or passengers occasionally survived the drift and settled in the Americas, injecting new cultural and genetic elements into its native societies.
这些人给美洲本土社会注入了新的文化和基因。
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