Article
Molecular heterosis: a review.
Molecular genetics and metabolism - 1 Jan 2000
Comings D E, MacMurray J P
Abstract excerpt
Molecular heterosis occurs when subjects heterozygous for a specific genetic polymorphism show a significantly greater effect (positive heterosis) or lesser effect (negative heterosis) for a quantitative or dichotomous trait than subjects homozygous for either allele. At a molecular level heterosis appears counterintuitive to the expectation that if the 1 allele of a two-allele polymorphism is associated with a...
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