Punnett Square Calculator
A Punnett Square Calculator predicts genetic inheritance probabilities by combining parent alleles. It helps determine possible offspring genotypes and phenotypes, essential in genetics education and breeding programs.
Calculator
Parent 1 Alleles: Parent 2 Alleles:Punnett Square:
Probabilities:
FAQs
What is a Punnett Square Calculator?
A digital tool that automates allele combination analysis between two parents to predict offspring genetic outcomes using Mendelian inheritance principles.
How accurate is this calculator?
It provides theoretical probabilities based on input alleles but doesn't account for complex genetic factors like mutations or linkage.
Can it handle incomplete dominance?
This basic version assumes complete dominance. Specialized calculators are needed for codominance or polygenic traits.
What's the maximum allele length supported?
Designed for monohybrid crosses (single trait analysis) using 2-character alleles like "Aa".
Why use uppercase/lowercase letters?
Capital letters denote dominant alleles; lowercase indicates recessive traits following genetic notation standards.
Can I use three-letter alleles?
No, this calculator only processes single-character alleles per standard Punnett Square conventions.
How are probabilities calculated?
By counting genotype occurrences in the square and dividing by total possible combinations (4 for monohybrid crosses).
Does it support dihybrid crosses?
This version focuses on monohybrid crosses. Dihybrid requires 4x4 grid and separate implementation.
What if I enter invalid characters?
The calculator will alert you and request valid alphabetical characters (A-Z, a-z).
Can I save results?
Currently no save feature - copy/paste manually. Future versions may include export options.