Q. 35.0( 2 Votes )

A zygote which has an X-chromosome inherited from the father will develop into a:
A. boy

B. girl

C. X-chromosome does not determine the sex of a child

D. either boy or girl

Answer :

In humans, the sex of the child is determined by the sex chromosomes inherited from parents. As females are XX, the mother can contribute only an X chromosome to the child. The males are XY and thus the father can contribute either an X or a Y chromosome. If an X chromosome is inherited from father, the child is a female.

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