Comment on OnLy tWo eLemEnTs

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powerstruggle@sh.itjust.works ⁨17⁩ ⁨hours⁩ ago

Sex is binary, because there are two sizes of gametes. Sex is determined in humans by chromosomes (and is rather messy, as you note). Sex is defined by gamete size, because it’s the only common factor across so many different species. Some animals have their sex determined by the temperature while they’re developing instead of chromosomes, but we can still differentiate between males and females by gamete size.

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