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A member asked:

Is man sperms totally responsible for the baby's gender ?

A doctor has provided 1 answer
Dr. Randy Baker answered

Specializes in Holistic Medicine

Yes: All eggs contain only x chromosomes. About half the sperms have x chromosomes ; half have a y chromsome instead. If the x chromosome fertilizes the egg the baby becomes a girl ; if sperm has a y chromosome the baby becomes a boy. The eggs can not possibly influence gender (i guess they could if they had a choice whether to be fertilized by a x or y sperm, but there is no evidence this can happen).

Answered 6/9/2014

4.4k views

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