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Related to broad-sense heritability: selection differential
broad-sense heritabilitythe widest estimate of the role of genes in influencing total phenotypic variability (see HERITABILITY), measured by the ratio of total genotypic variance to total phenotypic variance. Compare NARROW-SENSE HERITABILITY.
Collins Dictionary of Biology, 3rd ed. © W. G. Hale, V. A. Saunders, J. P. Margham 2005