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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