Medical Dictionary

hemizygosity hem·i·zy·gos·i·ty (hěm'ĭ-zī-gŏs'ĭ-tē)
The state of having unpaired genes in an otherwise diploid cell; men are normally hemizygous for the genes on the X-chromosome.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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