A mother-in-law often blames her daughter-in-law for having only dayghter and no son. how will you explain her that her daughter-in-law has no role in giving birth to girls or boys?
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Answer:
daughter-in-law has no role in sex because the father decide the sex of the baby.
Explanation:
the ovary always contains X chromosome in girls ,whereas in boys the sperm may contain X or Y.
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