[ hoh-muh-zahy-goht, -zig-oht, hom-uh- ]
/ ˌhoʊ məˈzaɪ goʊt, -ˈzɪg oʊt, ˌhɒm ə- /

noun Biology.

an organism with identical pairs of genes with respect to any given pair of hereditary characters, and therefore breeding true for that character.

Origin of homozygote

First recorded in 1900–05; homo- + zygote
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

British Dictionary definitions for homozygote

/ (ˌhəʊməʊˈzaɪɡəʊt, -ˈzɪɡ-, ˌhɒm-) /


an animal or plant that is homozygous and breeds true to typeCompare heterozygote

Derived forms of homozygote

homozygosis, nounhomozygotic (ˌhəʊməʊzaɪˈɡɒtɪk, -zɪ-, ˌhɒm-), adjective
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

Medicine definitions for homozygote

[ hō′mō-zīgōt′, -mə-, hŏm′ə- ]


An organism that has the same 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.