Punnett Square Calculator
Punnett Square Calculator
Instant Calculation
Enter parent genotypes to dynamically map the distribution of offspring traits.
Parents' Genotypes
A = Dominant allele | a = Recessive allele
Mother's genotype
The genetic combination inherited from the maternal parent.
Father's genotype
The genetic combination inherited from the paternal parent.
Offspring Chances
Chance for AA (Homozygous Dominant)
%
Chance for Aa (Heterozygous)
%
Chance for aa (Homozygous Recessive)
%
Instant calculation is ON.
Modifying genotypes recreates the Punnett grid dynamically.
Punnett Square
| ♂️ \ ♀️ | A | A |
|---|---|---|
| A | AA | AA |
| A | AA | AA |
Genotype to Phenotype
| Genotype | Phenotype Expression |
|---|---|
| AA | Dominant Trait (A) |
| Aa | Dominant Trait (A) |
| aa | Recessive Trait (a) |