heterochromosome


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heterochromosome

(hĕt′ə-rō-krō′mə-sōm′)
n.
A sex chromosome.
The American Heritage® Medical Dictionary Copyright © 2007, 2004 by Houghton Mifflin Company. Published by Houghton Mifflin Company. All rights reserved.

al·lo·some

(al'ō-sōm)
One of the chromosomes differing in appearance or behavior from the autosomes and sometimes unequally distributed among the germ cells.
Synonym(s): heterochromosome, heterotypical chromosome.
[allo- + G. sōma, body]
Medical Dictionary for the Health Professions and Nursing © Farlex 2012

heterochromosome

(hĕt″ĕr-ō-krō′mō-sōm)
1. The X and Y or sex chromosomes.
2. A chromosome containing material, heterochromatin, that stains differently from the remainder of the chromatin material.
Medical Dictionary, © 2009 Farlex and Partners