A new born child has an XY pair of chromosomes. Will it be a baby boy or a baby girl?
Mohan’s mother has delivered a baby girl. He wants to know from his teacher how eggs get converted into a baby boy or a baby girl. The teacher tells him that there are two types of sex chromosomes X and Y. The fusion of these sex chromosomes through gametes leads to the birth of a baby boy or a baby girl. Baby girl is born when a sperm containing