Gender determination (wasOT: Re: What? The clean-shaven outnumber the bearded?)

> >No embryo/fetus has any gender identity whatsoever.  They do, however,
> >have biological sex (with a few exceptions that are ambiguous).
> >It is the latter that is at issue.
>
> Human gender is a social convention.
> Human sex is determined by genes: XX = female, XY = male, plus the rare
> exceptions XXX and XYY.
Don't forget XXY.

I've always made jokes about being a YY baby, which would
only be possible as a child of a gay couple, though the child
would be very messed up for lacking necessary genes found
on the X chromosome.  A YY would be a real hunk though...

Jake

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