Allele Punnett Square Calculator
Advanced allele punnett square calculator for complex genetic scenarios and population genetics analysis. Calculate allele frequencies, genotype distributions, and inheritance patterns with precision using Hardy-Weinberg equilibrium principles.
Advanced Allele Calculator
Parent 1 Alleles
Frequencies must sum to 1.0
Parent 2 Alleles
Frequencies must sum to 1.0
Quick Examples
Simple Dominance
A vs a alleles
Codominance
IA vs IB alleles
Multiple Alleles
A1 vs A2 alleles
Understanding Allele Inheritance & Population Genetics
Our allele punnett square calculator provides comprehensive analysis of genetic inheritance patterns at the population level. Alleles are different versions of the same gene that occupy the same position on homologous chromosomes, and understanding their inheritance is crucial for population genetics studies and Hardy-Weinberg equilibrium analysis.
Types of Alleles in Genetic Analysis
Dominant Alleles
Expressed when present in one or two copies, typically denoted with capital letters (A, B, C)
Recessive Alleles
Only expressed when present in two copies, typically denoted with lowercase letters (a, b, c)
Codominant Alleles
Both alleles are expressed simultaneously in the phenotype (IA, IB in blood types)
Multiple Alleles
More than two alleles exist for a single gene in the population (A1, A2, A3)
Hardy-Weinberg Equilibrium
The Hardy-Weinberg equilibrium describes the theoretical distribution of alleles in a population that is not evolving. For a two-allele system with frequencies p and q:
p² + 2pq + q² = 1
- • p² = frequency of AA genotype
- • 2pq = frequency of Aa genotype
- • q² = frequency of aa genotype
Population Genetics Applications
Medical Genetics
- Genetic counseling and risk assessment
- Disease susceptibility prediction
- Carrier screening for genetic disorders
- Pharmacogenomics applications
Conservation Biology
- Assessing genetic diversity in populations
- Monitoring endangered species
- Breeding program optimization
- Population bottleneck analysis