X chromosome(redirected from Chromosome X (human))
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X chromosome[′eks ′krō·mə‚sōm]
The sex chromosome occurring in double dose in the homogametic female sex and in single dose in the heterogametic male sex in mammals, Diosophila, and many other organisms.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.