🧬 Punnett Square Calculator (Monohybrid)
A — Dominant allele • a — Recessive allele
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📊 Outcome probabilities
Chance for AA—
Chance for Aa—
Chance for aa—
🧩 Punnett Square
♂︎\♀︎
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Headers show parental gametes; inner cells are offspring genotypes.
🧾 Genotype → Phenotype
| Genotype | Phenotype |
|---|---|
| AA | A (dominant) |
| Aa | A (dominant) |
| aa | a (recessive) |
Genotypic ratio: —
Phenotypic ratio: —
🧮 Step-by-step derivation (click to expand)
📚 References
- Mendelian inheritance refresher & genotype/phenotype definitions.