Barr body
noun
\ ˈbär-
\
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Definition of Barr body
: 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)
— called also sex chromatin
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More Definitions for Barr body
Barr body
noun
\ ˈbär-
\
\
Medical Definition of Barr body
: 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 or an athlete)
— called also sex chromatin