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Women have sex chromosomes of XX and men...

Women have sex chromosomes of XX and men have sex chromosomes of XY. Which of a man's grandparents could not be the source of any of the genes on his Y-chromosome?

A

Father's mother

B

Father's father

C

Mother's mother

D

Mother's mother, mother's father and father's mother

Text Solution

Verified by Experts

The correct Answer is:
D
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