Biology & Life Science

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Dihybrid Cross Calculator.

Enumerate two-locus offspring genotype probabilities from explicit parent genotypes.

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Results update as you type.

Punnett cells: 16

Punnett cells

0.00

Offspring genotype probabilities

aabb6.25%
aaBb12.50%
aaBB6.25%
Aabb12.50%
AaBb25.00%
AaBB12.50%
AAbb6.25%
AABb12.50%
AABB6.25%

How to Use

Each parent is two adjacent loci (for example AaBb). The four-by-four cross enumerates genotype probabilities only; no dominance or phenotype interpretation is applied.

Use measured values and a documented convention. This calculator does not provide medical, veterinary, phenotype, or laboratory-method advice.

FAQs

What assumptions are used?

Enumerate two-locus offspring genotype probabilities from explicit parent genotypes. Every mass, volume, sequence adjustment, genotype, and locus convention is visible or entered explicitly.