Q. 74.3( 4 Votes )

The maleness of a child is determined by
A. the X chromosome in the zygote

B. the Y chromosome in zygote

C. the cytoplasm of germ cell which determines the sex

D. sex is determined by chance


Answer :

The maleness of a child is determined by the Y-chromosome in zygote inherited from the father. If X-chromosome is inherited from the father, the zygote will develop into girl.

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