Multiple choice

In which would you expect to find a Barr body?

  1. an ovum

  2. a sperm

  3. a liver cell of a woman

  4. a liver cell of a man

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

A Barr body is the inactive X chromosome in female somatic cells. Since women have two X chromosomes, one is inactivated in each cell. Men (XY) and gametes (sperm/ovum) do not have Barr bodies.