homozygous

homozygous [hoh-muh-zahy-guh s, hom-uh-] Word Origin adjective Biology.

1. having identical pairs of genes for any given pair of hereditary characteristics.
2. of or relating to a homozygote.

Also ho·mo·zy·got·ic [hoh-moh-zahy-got-ik, hom-oh-] /ˌhoʊ moʊ zaɪˈgɒt ɪk, ˌhɒm oʊ-/. Origin of homozygous 1900–05; homo- + Greek -zygos; see zygo-, -ous Related formsho·mo·zy·gos·i·ty [hoh-moh-zahy-gos-i-tee, -zi-, hom-oh-] /ˌhoʊ moʊ zaɪˈgɒs ɪ ti, -zɪ-, ˌhɒm oʊ-/, noun British Dictionary definitions for homo-zygotic homozygous adjective

1. genetics (of an organism) having identical alleles for any one genethese two fruit flies are homozygous for red eye colour Compare heterozygous

Derived Formshomozygously, adverb Word Origin and History for homo-zygotic homozygous adj.

1902, from homo- (1) “same” + zygote + -ous. Related: homozygote.

homo-zygotic in Medicine homozygous [hō′mō-zī′gəs, -mə-, hŏm′ə-] adj.

1. Having the same alleles at one or more gene loci on homologous chromosome segments.

homo-zygotic in Science homozygous [hō′mō-zī′gəs]

1. Relating to a cell that has two identical alleles for a particular trait at corresponding positions on homologous chromosomes. Compare heterozygous.