Proportion of phenotypic variance attributable to genetic variance. Broad-sense H² = V_G/V_P; narrow-sense h² = V_A/V_P (additive only). Response to selection R = h²·S (breeder's equation).
Proportion of phenotypic variance attributable to genetic variance. Broad-sense H² = V_G/V_P; narrow-sense h² = V_A/V_P (additive only). Response to selection R = h²·S (breeder's equation).