homozygote

(hō'mō-zī'gōt', -mə-, hŏm'ə-)
n.
An organism that has the same alleles at a particular gene locus on homologous chromosomes.

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any cell or organism having identical genes (alleles) at one or more corresponding loci on homologous chromosomes. With respect to such loci, a homozygote will produce two identical gametes. Compare heterozygote.
—homozygotic or homozygous adj.

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An animal exhibiting homozygosity.

For a list of words related to homozygote, see:

• Genetics, Heredity, and Evolution - homozygote: organism carrying identical alleles for the same trait

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