Punnett Square Calculator - Nice Calculators

Enhanced Punnett Square Calculator

Calculate genotype and phenotype ratios for monohybrid or dihybrid crosses.

Cross Type

Trait 1 Name

Parent 1 – Trait 1 Genotype

Parent 2 – Trait 1 Genotype

Trait 2 Name

Parent 1 – Trait 2 Genotype

Parent 2 – Trait 2 Genotype

Select cross type, enter names, and genotypes, then click “Calculate”.