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Barr body. In DICTIOUS you will not only get to know all the dictionary meanings for the word
Barr body, but we will also tell you about its etymology, its characteristics and you will know how to say
Barr body in singular and plural. Everything you need to know about the word
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English
Etymology
Named after discoverer Murray Barr.
Noun
Barr body (plural Barr bodies)
- (biology) A sex chromosome inactivated by packing in heterochromatin.
Men with Klinefelter syndrome (47,XXY karyotype) have a single Barr body, whereas women with a 47,XXX karyotype have two Barr bodies.
See also