epistasis

play
noun epis·ta·sis \i-ˈpi-stə-səs\

Definition of epistasis

plural

epistases

play \i-ˈpi-stə-ˌsēz\
  1. :  suppression of the effect of a gene by a nonallelic gene

epistatic

play \ˌe-pə-ˈsta-tik\ adjective

Origin and Etymology of epistasis

New Latin, from Greek, act of stopping, from ephistanai to stop, from epi- + histanai to cause to stand — more at stand


First Known Use: circa 1917


Medical Dictionary

epistasis

play
noun epis·ta·sis \i-ˈpis-tə-səs\

Medical Definition of epistasis

plural

epistases

\-ˌsēz\play
  1. 1a:  suppression of a secretion or dischargeb:  a scum on the surface of urine

  2. 2:  suppression of the effect of a gene by a nonallelic gene the role of epistasis in polygenic inheritance


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