Promiscuous roosters try to ensure that their genes are passed on by mating with as many females as possible.

她说：“母鸡会把多数低等的遗传因子排出体外，以确保其统治地位。

youdao

Promiscuous roosters try to ensure that their genes are passed on by mating with as many females as possible.

她说：“母鸡会把多数低等的遗传因子排出体外，以确保其统治地位。

youdao