Punnett Square Generator
Calculate offspring genotype and phenotype ratios from parent genotypes using a Punnett square for monohybrid crosses.
Inputs
Results
AA Probability
25%
Aa Probability
50%
aa Probability
25%
Phenotype Ratio
3:1
Parent 1 GenotypeAa
Parent 2 GenotypeAa
Dominant Phenotype75%
Recessive Phenotype25%
How to Use This Calculator
- Enter Parent 1 Dominant Alleles and Parent 2 Dominant Alleles.
- Review AA Probability (%), Aa Probability (%), and aa Probability (%).
- Use Parent 1 Genotype and Parent 2 Genotype to inform your decision.
- Use the chart to visualize the results and explore different scenarios by adjusting inputs.
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Formula
Aa × Aa → 1 AA : 2 Aa : 1 aaRelated Calculators
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