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Promiscuous fish have super sperm

作者:晋衢籼    发布时间:2019-03-09 05:02:07    

SPERM that are forced into competing with sperm from other individuals evolve to be faster and fitter in just about every way. It is known that sperm from promiscuous chimps move faster than those from relatively monogamous gorillas, but no one knew if this was common among animals. Studies in other species have produced conflicting results. To settle the issue, Sigal Balshine of McMaster University in Hamilton, Ontario, Canada,

 

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