Question

With the help of an example, illustrate how a pair of chromosomes determines the sex of a child in human beings​

Answer 1

Answer:

male=xx

female=xy

male have both x chromosomes and female have 1 x and 1 y chromosomes. There are total 46 chromosomes. in Male all 46 are x and in female 23 are x and 23 are y chromosomes. so during fertilization between male and female there can be 50% chance of Male baby and 50% chance of female baby.