epistasis

(ē pistə sis)

noun

Genetics the suppression of gene expression by one or more other genes

Origin: ModL < Gr, a stopping < ephistanai, to stop, orig. to place upon < epi-, epi- + histanai, to stand

See epistasis in American Heritage Dictionary 4

noun pl. e·pis·ta·ses (-sēzˌ)
  1. An interaction between nonallelic genes, especially an interaction in which one gene suppresses the expression of another.
  2. A film that forms over the surface of a urine specimen.
  3. The suppression of a bodily discharge or secretion.

Origin:

Origin: Greek, stoppage

Origin: , from epistanai, to stop, check

Origin: : ep-, epi-, epi-

Origin: + histanai, to place; see stā- in Indo-European roots

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Related Forms:

  • epˌi·statˈic (ĕpˌĭ-stătˈĭk) adjective

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