positive natural selection
常见例句
- Evolution myths: Natural selection is the only means of evolution-Much change is due to random genetic drift rather than positive selection.
错！其实，不同个体之间的很多细微变化都源自“遗传漂变”，而不是自然选择。
zhangzhongjie1984.spaces.live.com - The major conclusions were as follows: (1) We obtained strong evidence of positive natural selection on the entire CYP3A gene cluster in non-Africans.
结果如下：（1） 整个CYP3A基因簇在非洲以外的人群中受到正性自然选择的作用； 返回 positive natural selection