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Definition of oligogene in English:

oligogene

Pronunciation /ˌɒlɪɡə(ʊ)ˈdʒiːn/

noun

Genetics

  • A gene that determines or has a major effect on a phenotypic trait.

Origin

1940s; earliest use found in Kenneth Mather (1911–1990), geneticist. From oligo- + gene, after polygene.