seen in the nucleus of non-dividing somatic cells of females. It is also known as a Barr body. See chromatin negative; chromatin positive. The presence of in somatic cells is generally regarded as proof of the sexual identity of females.

SEX CHROMATIN: "A sex chromatin is not seen in normal males."
Cite this page: N., Pam M.S., "SEX CHROMATIN," in, April 13, 2013, (accessed June 23, 2021).