The sex of a newborn baby is determined by the chromosome inherited from

The sex of a newborn baby is determined by the chromosome inherited from the father. The father’s sperm contains either an X or a Y chromosome, and the mother’s egg always contains an X chromosome. If the sperm that fertilizes the egg contains an X chromosome, the baby will be a girl. If the sperm that fertilizes the egg contains a Y chromosome, the baby will be a boy.

Option A is the correct answer. The father’s sperm determines the sex of the