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> Scientists can prove someone's gender by looking at his/her chromosomes, can't they? Only in the vast majority of cases. There are XX, XY, YY, XXY, and even
by ArchTypical 8y ago
> Scientists can prove someone's gender by looking at his/her chromosomes, can't they?
Only in the vast majority of cases. There are XX, XY, YY, XXY, and even more esoteric versions!