homozygous homozygous  /ˌhoʊ moʊ ˈzaɪ ɡəs/

Definition(s):

  • (adj) having identical alleles at corresponding chromosomal loci

Usage(s):

  • To taste very weak concentrations, as I did, indicates that the subject is probably homozygous, or has two dominant genes for bitter tasting.

News

  • An 'obesity-risk' allele alters hunger-stimulating hormone production

    ( Journal of Clinical Investigation ) Rachel Batterham and colleagues at University College London identify a link between FTO and the hunger-stimulating hormone, ghrelin. Subjects homozygous for the "obesity-risk" allele of FTO had higher concentrations of circulating ghrelin after eating, which correlated with an absence of satiation.
    on July 15, 2013     Source: EurekAlert!

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