Trihybrid Cross Calculator – Punnett Square
Instant Calculation
Crosses 3 separate genes instantly to generate a 64-cell Punnett Square.
Genetic Parameters
Define the custom letters used to map this genetic cross.
Custom Trait Letters
Type any single letter. The mother and father options below will automatically update!
Mother's traits
Select the maternal alleles for traits 1, 2, and 3. Homozygous Dominant, Heterozygous, or Recessive.
Father's traits
Select the paternal alleles for traits 1, 2, and 3. Homozygous Dominant, Heterozygous, or Recessive.
Instant calculation is ON.
Generating combinations in real time.
Phenotype Distribution Chart
A visual representation of the phenotypic ratios generated from the cross.
Offspring phenotype frequencies
Click to View
| Phenotype Pattern | Fraction | Percentage |
|---|
Offspring genotype frequencies
Click to View
| Genotype | Fraction | Percentage |
|---|
64-Cell Punnett Square Matrix
Click to View
Scroll Horizontally on Mobile to view the full 8x8 matrix
Select traits to see the gamete branching math.
