Genotypes* Genetic models†   Genotypic Overdominant Dominant Recessive Additive AA 0 0 0 0 0 Aa 1 1 1 0 1 Aa 2 0 1 1 2 *A: wild type allele at locusA; a: variant allele at locusA; †Each column represents the coding system for defining five distinct genetic models

Table 1: Variable coding to define five genetic models for a single SNP.