Rigby5
Diamond Member
- Apr 23, 2017
- 31,996
- 10,784
Why do you Leftards hate science?
X
Y
Chromosomes
She wasn’t asked about birth defects.
Wrong.
If you insist on a binary definition, then you DO have encompass all birth defects as well.
And there is not X and Y. There is XX, XY, XXY, XYY, etc.