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Y chromosomes are lighter weight less and thus reach the overlies more quickly. It is, we believe the condition of the womans' cervical mucus, reproductive tract and follicular fluid that determines which of the two types of sperm will successfully reach and fertilise the egg at the time of conception. Log in to answer.



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The sex is determined by whether the sperm that fertilizes the egg is carrying another X or a Y. Log in Sign up.


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(ebook-pdf) - mathematics - bayesian methods, a general introduction.pdf

If 'boy' sperm fertilizes egg, its a boy, and visa versa. Gothic, Size 8 - Log in or sign up. Occasion see all Occasion. I wondering if some couples who have many children the same sex could conceive another gender baby using XY chromosome scientific way.
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