Interactive Punnett Square
Choose alleles for each parent. B = Brown eyes (dominant), b = Blue eyes (recessive). Ratios update live.
Parent 1
= Bb
Parent 2
= bb
| b | b | |
|---|---|---|
| B | Bb | Bb |
| b | bb | bb |
Genotype ratio
- Bb2/4 (50%)
- bb2/4 (50%)
Phenotype ratio
- Brown eyes (dominant)50%
- Blue eyes (recessive)50%
Presets: