Medical Genetics 2.4 Familial aggregation of quantitative traits ◆Heritability Variance in DZ pairs-Variance in MZ pairs Variance in DZ pairs The higher the heritability,the greater is the contribution of genetic differences among people in causing variability of the trait. ●h2 varies from0to1. This document is produced by trial version of Print2Flash.Visit www.print2flash.com for more informationThis document is produced by trial version of Print2Flash. Visit www.print2flash.com for more information