epistasis

Borrowed from Ancient Greek ἐπίστασις (epístasis, “stopping”), from ἐφίστημι (ephístēmi, “stop”), from ἐφ- (eph-) + ἵστημι (hístēmi, “make to stand”). The use in genetics was coined by English biologist William Bateson in 1909 in his book Mendel's Principles of Heredity.

• IPA^(key): /ɪˈpɪstəsɪs/

• Audio (Southern England)

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epistasis (countable and uncountable, plural epistases)

1. (genetics) The modification of the expression of a gene by another unrelated one.

• epigenetics

• epistatic
• hypostatic