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epistasis

noun
epis·​ta·​sis | \ i-ˈpi-stə-səs How to pronounce epistasis (audio) \
plural epistases\ i-​ˈpi-​stə-​ˌsēz How to pronounce epistases (audio) \

Definition of epistasis

: suppression of the effect of a gene by a nonallelic gene
Other Words from epistasis Example Sentences Learn More about epistasis

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Other Words from epistasis

epistatic \ ˌe-​pə-​ˈsta-​tik How to pronounce epistatic (audio) \ adjective

Examples of epistasis in a Sentence

Recent Examples on the Web

 Another, though, is that the fates of mutations can be linked — an effect that population geneticists call synergistic, or narrowing, epistasis. — Quanta Magazine, "Missing Mutations Suggest a Reason for Sex," 13 July 2017 Most recent newsletter Kondrashov has investigated the implications of synergistic epistasis with theoretical studies. — Quanta Magazine, "Missing Mutations Suggest a Reason for Sex," 13 July 2017

First Known Use of epistasis

circa 1917, in the meaning defined above

History and Etymology for epistasis

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

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More Definitions for epistasis

epistasis

noun
epis·​ta·​sis | \ i-ˈpis-tə-səs How to pronounce epistasis (audio) \
plural epistases\ -​ˌsēz How to pronounce epistases (audio) \

Medical Definition of epistasis

1a : suppression of a secretion or discharge
b : a scum on the surface of urine
2 : suppression of the effect of a gene by a nonallelic gene the role of epistasis in polygenic inheritance

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