Etymology
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homozygous (adj.)

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

updated on August 09, 2015

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Definitions of homozygous from WordNet

homozygous (adj.)
having identical alleles at corresponding chromosomal loci;
these two fruit flies are homozygous for red eye color
Etymologies are not definitions. From wordnet.princeton.edu, not affiliated with etymonline.