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Based only the sex chromosomes in typical human egg and sperm cells at fertilition, the probability of producing a fmale is


A 25%

B 50%

C 75%

D 90%

Verified Answer :

I believe the answer is b

tzarplatypus

The answer should be B. Because a fertilized egg will recieve one sex chromosome from either parent. The mother will always give ano X chromosome and the father will have a 50% chance of giving either an X(will make a female child) or a Y(will cause the child to be male).

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