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The American Heritage Medical Dictionary » X-chromosome
X-chromosome
X-chromosome definition - medical
X-chromosome
noun The sex chromosome associated with female characteristics, occurring paired in the female and singly in the male sex-chromosome pair.
The American Heritage® Medical Dictionary Copyright © 2009 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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