A Barr body is normally found in the nucleus of which kind of human cell? a. Somatic cells of a female only b. Somatic cells of a male only c. Sperm cells only d. Both male and female somatic cells e. Unfertilized egg cells only

Question

Amanda Klein

Biology

1 October, 11:08

A Barr body is normally found in the nucleus of which kind of human cell? a. Somatic cells of a female only b. Somatic cells of a male only c. Sperm cells only d. Both male and female somatic cells e. Unfertilized egg cells only

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Answers (1)

Know the Answer?

Eduardo Carr · Answer 1

The answer is A. Somatic cells of a female only.

Explanation:

Barr's body or Barr's corpuscles, also called sex chromatin X, are a heterochromatic mass found in the nucleus of female somatic cells. According to the Lyon hypothesis (Mary Lyon, 1966) one of the 2 X chromosomes in each female somatic cell is genetically inactive. The corpuscle of barr represents the inactive X chromosome.