Multiple choice

A Barr body is normally found in the nucleus of which kind of human cell?

  1. unfertilized egg cells only

  2. sperm cells only

  3. somatic cells of a female only

  4. somatic cells of a male only

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

A Barr body is the inactive X chromosome in a female somatic cell. Males do not have a Barr body because they only have one X chromosome.