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Women have sex chromosomes XX, and men have sex chromosomes XY. Which of a woman's grandparents could not be the source of any of the genes on either of her X chromosomes? mother's father father's mother mother's mother father's father NextReset

User Marcx
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2 Answers

3 votes
The answer would be mother's mother

User Andre Clements
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5 votes
the best answer choice would probably be D Fathers Father
User Mgronber
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