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Barr body
(redirected from Barr bodies)

    Also found in: Medical, Encyclopedia, Wikipedia 0.01 sec.
Barr body  (bär)
n.
The condensed, inactive X-chromosome found in the nuclei of somatic cells of most female mammals. Also called sex chromatin.
[After Murray Llewellyn Barr (1908-1995), Canadian anatomist.]
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The dark masses, now known as Barr bodies, were pieces of chromatin--the amalgamation of DNA and protein that makes up chromosomes.
Silence of the Xs by TRAVIS, JOHN / Science News
 
 
 
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