HomeGenetics and Plant Breeding Calculator Hardy–Weinberg Frequency Calculator Hardy–Weinberg Equilibrium: Describes non-evolving populations p + q = 1 p² + 2pq + q² = 1 Enter Allele Frequency p (Allele A) q (Allele a) CALCULATE Allelic Frequency p 0 q 0 Genotypic Frequency p² (AA) 0 2pq (Aa) 0 q² (aa) 0