单词 | 遗传漂变 |
例句 | DEFINITIVE EXAMPLES 权威例句〔genetic drift〕Random fluctuations in the frequency of the appearance of a gene in a small, isolated population, presumably owing to chance rather than natural selection.遗传漂变:在一个小的、与世隔绝的种族里,基因面貌频率上的偶然波动,可能因为偶然性而不是自然选择美国传统 |
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