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ELI5// why do humans ( and most animals) produce males and females at a 50/50 split? Surely seeing as a male can impregnate multiple females ,whilst 1 female carries a child for 9 months, it would be more reproductively efficient to have more males born?
ELI5// why do humans ( and most animals) produce males and females at a 50/50 split? Surely seeing as a male can impregnate multiple females ,whilst 1 female carries a child for 9 months, it would be more reproductively efficient to have more males born? * /r/explainlikeimfive
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