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Flies that grow giant testes produce only female offspring

Por: Newsweek Tech November 30, 2022

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Research from University College London has shown that male flies that are genetically programmed to produce only female offspring compensate for their low sperm count by growing larger testes.Male stalk-eyed flies with this genetic variant produce only half as many sperm as they should, but because of their enlarged testes, they have similar levels of fertility when compared with normal males.In humans, the split between males and females in... + full article



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