A boy child is born when it inherits …………..chromosome from father and ………….. chromosome from mother.
Y ; Y
X ; Y
X ; X
Y ; X
A boy child is born when it inherits Y chromosome from father and X chromosome from mother
Question 8 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
A zygote which has inherited an X chromosome from the father will develop into :
(a) baby boy (b) baby girl (c) adult (d) either boy or girl