It's...my schooling was in history, not science, but when you mix genes too much, you run the risk of birth defects, poor fertility, certain diseases. Have you had any experience with that?
We haven't undergone any testing like that, no. But we don't make a habit of marrying our cousins.
no subject
We haven't undergone any testing like that, no. But we don't make a habit of marrying our cousins.