[hoh-muh-zahy-goht, -zig-oht, hom-uh-]
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
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[hō′mō-zī′gōt′, -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.