Question

How is sex determined of a foetus?​

Answer 1

Explanation:

when the sperm contributed a Y chromosome, which creates a boy, or an X chromosome, which creates a girl. Boys' and girls' genitals develop along the same path with no outward sign of gender until about nine week

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Answer 2

Answer:

when the sperm contributed a Y chromosome, which creates a boy, or an X chromosome, which creates a girl. Boys' and girls' genitals develop along the same path with no outward sign of gender until about nine week