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"I know it feels good but it doesn’t make sense to do something that risky unless you want a progeny" This right here is where you are tripping up. It's not about what one wants. It's about the continuation of the human race and not risky at all from that perspective. In that case, anything that increases those chances is a good thing. Just like ...


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Androdioecy (the coexistence of males and hermaphrodites) is very rare in animals, and vanishingly rare in vertebrates (just three species of fish). Coexistence of males and parthenogenetic females is considerably more common, at least in insects (often in different generations). Gynodioecy (the coexistence of females and hermaphrodites) in animals is ...


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