Table of Contents > Health Dictionary > Heritability


1. In psychometrics, a statistical term used to denote the extent of variance of a person's total score or response that is attributable to a presumed genetic component, in contrast to an acquired component. 2. In genetics, a statistical term used to denote the proportion of phenotypic variance due to variance in genotypes that is genetically determined, denoted by the traditional symbol h2.
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