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EurekAlert!
5 年
神秘的雄性:无性生殖的雌性线虫为了精子而非基因生下雄性线虫
为理解采用有利雌性生殖策略的线虫究竟为什么还要生出雄性线虫,研究人员报告称,无性生殖的雌性线虫之所以会生出数目有限的雄性后代是为了 ...
EurekAlert!
4 年
啮齿动物的交配栓阻挡对手雄性的精子
一项研究发现,堤岸田鼠的交配栓促进了一个雄性自己的精子的运输,同时部分阻挡了对手雄性的射精。许多有性生殖动物制造交配栓,这是由射出 ...
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