That's the one, lol! Good ole X's and Y's.
Xx Xy
Xy Yy
Presuming X is the dominant gene, lol!
![[United States]](images/flags/United States.gif "United States")
That's the one, lol! Good ole X's and Y's.
Xx Xy
Xy Yy
Presuming X is the dominant gene, lol!
https://m.facebook.com/photo.php?fbid=10203589094112277&id=1363241107&set =a.1434844115446.2055312.1363241107&source=11&ref= bookmark
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