Allele Frequency Calculator
Calculate allele frequencies (p and q) from population genotype data or allele counts.
Input Data
Formulas
p = freq(A) = (2*AA + Aa) / 2N
q = freq(a) = (2*aa + Aa) / 2N
p + q = 1
Allele Frequencies
p (dominant A)
0.6000
60.00%
q (recessive a)
0.4000
40.00%
Population Statistics
Total Individuals1,000
Total Alleles (2N)2,000
A Allele Count1,200
a Allele Count800
Expected Genotype Frequencies (HW Equilibrium)
AA (p²)0.3600 (36.00%)
Aa (2pq)0.4800 (48.00%)
aa (q²)0.1600 (16.00%)