众所周知,我们两脚兽的性别在精子和卵子结合的一瞬间就已经确定了,在往后的发育由于性染色体上性别决定基因的活动,胚胎的发育会出现雌雄的性别差异,这种性别决定方式我们称为遗传依赖型性别决定(GSD,Genetic Sex Determination)。但是在神奇的大自然中,生物为了适应环境和种群的可持续发展...
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