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Having different alleles at a given locus on the pair of chromosomes present in the diploid state; for example, having a normal beta globin gene (coding for normal hemoglobin, Hb A) at locus p15.5 on one chromosome 11 and an abnormal gene (coding for sickle-cell hemoglobin, Hb S) at the same locus on the other chromosome 11.
Farlex Partner Medical Dictionary © Farlex 2012
1. Having different alleles at one or more corresponding chromosomal loci.
2. Of or relating to a heterozygote.
het′er·o·zy·gos′i·ty (-ə-rō-zī-gŏs′ĭ-tē) n.
The American Heritage® Medical Dictionary Copyright © 2007, 2004 by Houghton Mifflin Company. Published by Houghton Mifflin Company. All rights reserved.
Having different allelic genes at one locus or (by extension) many loci; heterotic.
Medical Dictionary for the Health Professions and Nursing © Farlex 2012
heterozygousOf a person carrying different genes at the same gene locus in corresponding chromosomes. The ALLELES are different. A single DOMINANT gene can manifest itself in a heterozygous person. Recessive genes are only manifest if both are present (HOMOZYGOUS).
Collins Dictionary of Medicine © Robert M. Youngson 2004, 2005
Two different genes controlling a specified inherited trait.
Mentioned in: Hemoglobin Electrophoresis
Gale Encyclopedia of Medicine. Copyright 2008 The Gale Group, Inc. All rights reserved.
Having different alleles at a given locus on the pair of chromosomes present in the diploid state.
Medical Dictionary for the Dental Professions © Farlex 2012