Hardy–Weinberg proportions
Hardy–Weinberg proportions: use frequency of allele a. Review the formula, worked example and calculation steps.
Inputs
Use the units shown—
Enter your values and select Calculate.
Formula & explanation
AA = p², Aa =2p(1−p), aa =(1−p)²
Variables & units
- Frequency of allele A
- ratio · minimum 0, maximum 1
Worked example
Use the example inputs to explore this model; the solution shows each supplied quantity.
Assumptions
Ideal random-mating biallelic population model; real populations may violate its assumptions.
Formula version 1.0.0. JavaScript floating-point arithmetic applies. Results display up to 6 decimal places; stored values retain available precision. Use the units shown.
Practice with an example
Use the default input values to find the answer. The reset icon restores those values.
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