Question

How a girl or a boy born? What is the process??
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Answer 1

Men determine the sex of a baby depending on whether their sperm is carrying an X or Y chromosome.

An X chromosome combines with the mother's X chromosome to make a baby girl (XX) and,

A Y chromosome will combine with the mother's to make a boy (XY).

Answer 2

Answer:

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Men determine the sex of a baby depending on whether their sperm is carrying an X or Y chromosome. An X chromosome combines with the mother's X chromosome to make a baby girl (XX) and a Y chromosome will combine with the mother's to make a boy (XY).

hope this helps you...