Punnett Square Calculator Punnett Square Calculator Monohybrid cross Mother’s genotype: AA Aa aa custom genotype (mother): Father’s genotype: AA Aa aa custom genotype (father): Dominant allele: Recessive allele: Reload calculator Clear all changes Download results as PDF Punnett Square ♂ / ♀ – – – – Chances Ratios Genotypic Ratio: – Phenotypic Ratio: – Genotype to Phenotype GenotypePhenotype