And then there's this, also from BB.
Wanting to have a biological child is neither a male nor female desire, but a human desire.
And from the comments:
Now, less P.C. - I wonder if (s)he has dangly parts?
I think that would fall under the category of "bad questions." Why do you need to know? Next time you see someone with a dash of gray hair, ask them if their genital hairs are going gray as well. See how that goes.