• ristoril_zip@lemmy.zip
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    1 year ago

    Incorrect. Without intervention by hormone signals, literally every human fetus would develop as a “female” with all the traditional female sex organs and morphology. I believe they’d even be capable of generating eggs and carrying babies, but I’m not as confident on that.

    A lot of people think that the XX or XY is determinative or definitional, but it’s always the hormones, baby.

    • SpaceNoodle@lemmy.world
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      1 year ago

      No, hormones are necessary for female reproduction. Read about Turner’s Syndrome (one X chromosome).

      • uid0gid0@lemmy.world
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        1 year ago

        Also androgen insensitivity syndrome, when cells lack testosterone receptors. The complete version results in females with no uterus.