Which of the two, sperm or egg cell (ovum), decides the sex of the child?

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Solution

Sperm
Chromosomal sex is determined at the time of fertilization; a chromosome from the sperm cell, either X or Y, fuses with the X chromosome in the egg cell.

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Similar questions

What will be the sex of the child born :

(a) if X chromosome carrying sperm fertilizes an ovum containing X chromosome?

(b) if Y chromosome carrying sperm fertilizes an ovum containing X chromosome?

The sex of a child is determined by :

(a) the presence of an X chromosome in egg (or ovum).

(b) the presence of a Y chromosome in sperm.

(d) the length of the mother's pregnancy.

How many sets of chromosomes are found in the sperm cell or egg cell?

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