|
|
What is Y chromosone?
that would be the birth defect that brings us those boys... just kidding.. i love guys!
guys have y chromosones and girls have x
Y chromosone - video
Y chromosone - what is it?
spelling of y chromosome by an illiterate moron
she flunked her biology mid-term and even spelled y chromosome wrong. That Twat is such a twit that she wrote down y chromosone.