Epistasis (noun) Definition, Meaning & Examples

noun, plural e·pis·ta·ses [ih-pis-tuh-seez]. /ɪˈpɪs təˌsiz/.
  1. a form of interaction between nonallelic genes in which one combination of such genes has a dominant effect over other combinations.
  2. Medicine/Medical.
    • the stoppage of a secretion or discharge.
    • a scum that forms on a urine specimen upon standing.
noun
  1. scum on the surface of a liquid, esp on an old specimen of urine
  2. the arrest or checking of a bodily discharge, esp bleeding
  3. the suppression by a gene of the effect of another gene that is not its allele
Epistasis (noun) Definition, Meaning & Examples

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