Sex is biologically defined by gamete size-it's true humans either produce eggs or sperm or no gametes- never both or something in between https://twitter.com/YeyoZa/status/856529405845352450 …
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They don't produce sperm
Some with Y's don't do that either. Are they female? :) https://en.wikipedia.org/wiki/Aspermia There's also the accident people, & cancer victims etc
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≠things: - sex, as in sexual reproduction - gender, as in identity/society Society *mostly* binary: where change clothes w\o trouble?
Thanks. Twitter will use this to make your timeline better. UndoUndo
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Biology is messy, no way to precisely disambiguate sexes in a theoretically plausible way. And that's not much of a practical problem.
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