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以上来源于: WordNet
This "genetic drift" happens at a constant rate.
这种“遗传漂变”以恒定的速率产生结果。
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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。
It is this continual process of genetic drift gives rise to the seasonal epidemics of flu and norovirus.
BBC: Winter bugs: A yearly battle for dominance
During this process of transformation - or genetic drift - the virus alters its appearance and the immune memory cells struggle to recognise it.
Modern evolutionary biology as we understand it, which is to say variation via genetic drift, mutations, duplications combined with the pruning filter of natural selection, certainly explains a great deal.
FORBES: Evolution and Embodied Physiology
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