[hoh-muh-zahy-goht, -zig-oht, hom-uh-]
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.

1900–05; homo- + zygote

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World English Dictionary
homozygote (ˌhəʊməʊˈzaɪɡəʊt, -ˈzɪɡ-, ˌhɒm-)
Compare heterozygote an animal or plant that is homozygous and breeds true to type

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American Heritage
Medical Dictionary

homozygote ho·mo·zy·gote (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
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Example sentences
In other words, if the two alleles had an equal effect you'd expect a value between the two in their homozygote state.
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