In genetics, Heritability is the proportion of phenotypic variation in a population that's attributable to genetic variation among individuals. Variation among individuals may be due to genetic and/or environmental factors. Heritability analyses estimate the relative contributions of differences in genetic and non-genetic factors to the total phenotypic variance in a population.==Definition== Consider a statistical model for describing some particular phenotype: » Phenotype (P) = Genotype (G) +… (More on Heritability)