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[het-er-uh-zahy-guh s] /ˌhɛt ər əˈzaɪ gəs/

adjective, Biology.
having dissimilar pairs of genes for any hereditary characteristic.
of or relating to a heterozygote.
(genetics) (of an organism) having different alleles for any one gene: heterozygous for eye colour Compare homozygous

1889, from heterozygote, from hetero- + zygote.

heterozygous het·er·o·zy·gous (hět’ər-ə-zī’gəs)

Relating to a cell that has two different alleles at corresponding positions on homologous chromosomes. Compare homozygous.


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