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Sticks
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General Chat
05-03-2009, 06:43 AM
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48
X and Y chromosomes!
Views:
1,447
Posted By
Sticks
The X and Y chromosones just determine gender ...
The X and Y chromosones just determine gender
The combinations are usually XX or XY
YY only occurs rarely and is considered an abnormality
As for homosexuality there was some talk about the...
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