Population Genetics
Hardy–Weinberg Equilibrium Calculator
p + q = 1
p² + 2pq + q² = 1
q is calculated automatically as 1 − p
Enter a value between 0 and 1
p (allele A)
0.600
q (allele a)
0.400
AAHomozygous dominant · p²
36.0%
AaHeterozygous · 2pq
48.0%
aaHomozygous recessive · q²
16.0%
Assumes an idealized population in equilibrium — no mutation, no migration, no selection, random mating, infinite population size.