- a hybrid containing genes for two unlike forms of a characteristic, and therefore not breeding true to type.
Origin of heterozygote
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for heterozygote
If the individual was really a heterozygote, approximately fifty per cent.Being Well-Born
Michael F. Guyer
Eosin is allelomorphic to white and the white-eosin compound or heterozygote has the color of the eosin male.Sex-linked Inheritance in Drosophila
Thomas Hunt Morgan
In this character, then, dominance almost always fails to show itself in the heterozygote and often fails in pure dominants.
Some are probably matings of two heterozygotes, others of two recessives, and others still of a recessive with a heterozygote.
But in a heterozygote potency is usually more or less reduced.
- an animal or plant that is heterozygous; a hybridCompare homozygote
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
- An organism that has different alleles at a particular gene locus on homologous chromosomes.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.