Multiple choice

A couple had a male child. Which of the following factors is responsible for a male child?

  1. Egg carries Y chromosomes.

  2. Sperm carries X chromosomes.

  3. Egg carries X chromosomes.

  4. Sperm carries Y chromosomes.

  5. None of the above

Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

If a sperm carrying Y chromosome fertilises with an egg that carries X chromosome, then the zygote formed will have XY combination due to which the child born will be a male.