Imagine a new mutation arising in a gene.

设想一下在一个基因上发生了一个新的突变。

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If the new mutation does spread throughout a population, the scenario is even worse.

如果在一个种群里，新的突变确能传播开来，其境地就更糟。

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If the new mutation does spread throughout a population, the scenario is even worse.

如果在一个种群里，新的突变确能传播开来，其境地就更糟。

youdao