Primate sperm competition: speed matters

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Jaclyn Nascimento a Ph.D. candidate at UCSD found that sperm cells from the more promiscuous chimpanzee and rhesus macaque species swim much faster and with much greater force than the sperm of humans and gorillas. Credit: Photos courtesy of primates ...
Jaclyn Nascimento, a Ph.D. candidate at UCSD, found that sperm cells from the more promiscuous chimpanzee and rhesus macaque species swim much faster and with much greater force than the sperm of humans and gorillas. Credit: Photos courtesy of primates.com and Red Orbit.

Researchers at UC San Diego and UC Irvine have found evidence that supports the theory that reproductive competition during the evolution of primate species has occurred at the level of sperm cell motility.


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