Question

The sex of a child depends entirely on which of the following events?

विकल्प

• The number of chromosomes in the mother's body cells

• Which type of sperm fertilizes the egg

• The order in which children are born in the family

• Which ovary releases the egg

Answer 1

The sex of a child depends entirely on which type of sperm fertilizes the egg. An X-bearing sperm produces an XX (female) child, while a Y-bearing sperm produces an XY (male) child.