Not always, xxy is associated with Turner's Syndrome I think it's caused and it causes a smaller penis, short stature, and sometimes male breasts but I don't think it always makes you a hermaphrodite. Not sure about xxx tho.
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Edit: xxx is trisomy X, it does not cause them to havw hermaphroditism, just a lowered IQ and taller stature along with mild physical markers.
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Edit: xxx is trisomy X, it does not cause them to havw hermaphroditism, just a lowered IQ and taller stature along with mild physical markers.
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Info here: https://en.m.wikipedia.org/wiki/True_hermaphroditism