Question

what is sex determination​

Answer 1

A sex-determination system is a biological system which determines the development of sexual characteristics in an organism. Most organisms that create their offspring using sexual reproduction have two sexes.

Answer 2

the process in which the sex of the child is determined.

as there are 23 pair of autosomomes and one pair of sex cell/ germ cell.

females contain XX chromosomes whereas the males contains XY chromosomes if x gets fuses with x then it gives birth o female child and if x gets use with Y then it gives birth to boy child as the determination of sex depends on the male gametes . both have 50 -50 chances for the birth. AS IT DEPENDS ON THE FUSION OF GAMETS