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hemizygosity in Medicine

hemizygosity

(hĕm′ĭ-zī-gŏsĭ-tē)
n.
  1. 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.