How does the Allele Frequency work?

p = (2×AA + Aa) / (2×N) Then: q = 1 − p Then: Total alleles = 2 × N individuals.

Can you give an example of how to use the Allele Frequency?

Example: Input 40 AA + 40 Aa + 20 aa (N=100) gives a result of p = 0.6 · q = 0.4 (120 A alleles out of 200 total).

Is the Allele Frequency free to use?

Yes — completely free with no registration, download, or subscription required. All calculations happen instantly in your browser.

How accurate is the Allele Frequency?

Our Allele Frequency uses verified mathematical formulas and is accurate to multiple decimal places. Results are calculated in real-time using the same methods used by professionals.

Allele Frequency

Allele frequencies from genotype counts

🧬Allele Frequency Calculator

AA (homozygous dominant)

Aa (heterozygous)

aa (homozygous recessive)

Allele frequency is the relative proportion of a particular allele among all alleles of a gene in a population. Together with Hardy-Weinberg, it forms the foundation of population genetics.

References

▸Allele frequency — Wikipedia

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Population Genetics Explained: Hardy-Weinberg, Drift, and Natural Selection

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Allele Frequency

🧬Allele Frequency Calculator

What is Allele Frequency?

How to Use Allele Frequency

Example Allele Frequency Examples

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