answersLogoWhite

0


Best Answer

The sex of a child is determined by the sex chromosome present in the father's sperm cell. If he donates an X, the child will be a girl, if he donates a Y, the child will be a boy. The historical or ancestral lineage doesn't have anything to do with the child's sex.

User Avatar

Wiki User

12y ago
This answer is:
User Avatar

Add your answer:

Earn +20 pts
Q: What gene determines if a child will be a boy or girl?
Write your answer...
Submit
Still have questions?
magnify glass
imp