See, the inefficiency of reproducing sexually is overcome by the benefits of combining your genes with another person's.

看，将你的基因与另一个人的基因结合的好处克服了有性繁殖的低效率。

The data hinted that the persistence of the Tay-Sachs mutation among Ashkenazi Jews might be explained by the benefits of being a carrier in an environment where tuberculosis was prevalent.

数据暗示，德系犹太人中 Tay-Sachs 突变的持续存在可能是由于在结核病流行的环境中作为携带者的好处。