单词genetic drift
un.: 遗传漂变；属渐变
网络: 遗传漂移；基因漂变；基因漂流
属渐变
遗传漂变
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。
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。
Gene flow was small and genetic drift and inbreeding might be the main factors influencing population genetic structure of Acer miaotaiense.
庙台槭居群间的基因流很小，遗传漂变和随之而来的近交可能是刻划居群遗传结构的主要因素。
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。
But Shoham noticed something strange: Influenza viruses isolated decades apart sometimes showed little sign of genetic drift .
肖海姆注意到一些奇怪的现象：隔离了几十年的流感病毒有时表现出很少的遗传漂变迹象。
Do random mutations frequently get passed on or disappear without enhancing or diminishing fitness, a process called genetic drift ?
随机的突变是否经常遗传给下一代，或者消失，而与生殖成就无关（这个过程叫「遗传漂变」）？
Much change is due to random genetic drift rather than positive selection. It could be called the survival of the luckiest.
变化很多是由于随机遗传漂变，而不是积极的选择。这可称之为最幸运者生存。
This is one form of a process that biologists call genetic drift .
这是生物学家称之为遗传偏移的一种方式。
The question regarding is taken applicable only with respect to genetic drift .
因此近来繁殖问题只选用于遗传漂变。
Much change is due to random genetic drift rather than positive selection.
许多变化源于基因的随机漂变而非自由选择。