Definitions
from The American Heritage® Dictionary of the English Language, 5th Edition.
- noun The condensed, inactive X-chromosome found in the nuclei of somatic cells of most female mammals.
from Wiktionary, Creative Commons Attribution/Share-Alike License.
- noun biology A
sex chromosome inactivated by packing inheterochromatin .
Etymologies
from The American Heritage® Dictionary of the English Language, 4th Edition
[After Murray Llewellyn Barr, (1908–1995), Canadian anatomist.]
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