Male rodents with less time to breed grow bigger testes

Male rodents in species with shorter breeding seasons tend to have larger testes, probably because the time pressure increases sperm competition between males

Več na: https://www.newscientist.com/article/2289821-male-rodents-with-less-time-to-breed-grow-bigger-testes/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=news

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