And gene flows of 4 populations were over 2, which suggested that there existed sufficient genetic exchanges to prevent the genetic differentiation made by genetic drift among population.

并且4个居群的基因流值都大于2，说明基因交流防止了由遗传漂变引起的居群间的遗传分化。

youdao

Or that the mixing of genes between unrelated species is no more unnatural than the gene flows that have driven evolution since life began.

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