noun Etymology: Murray Llewellyn Barr died 1995 Canadian anatomist Date: 1961 a densely staining inactivated condensed X chromosome that is present in each somatic cell of most female mammals and is used as a test of genetic femaleness (as in a fetus)
BARR BODY
Meaning of BARR BODY in English
Merriam Webster. Explanatory English dictionary Merriam Webster. Толковый словарь английского языка Мерриам-Уэбстер. 2012