Genotype Frequency Calculator

Calculate observed genotype frequencies and compare with Hardy-Weinberg expectations.

Population Data

AA (Homozygous Dominant) Count

Aa (Heterozygous) Count

aa (Homozygous Recessive) Count

Observed Genotype Frequencies

AA Frequency0.2000 (20.00%)

Aa Frequency0.5000 (50.00%)

aa Frequency0.3000 (30.00%)

Total Population1000

Allele Frequencies

p (A allele)

0.4500

q (a allele)

0.5500

Expected (Hardy-Weinberg)

Expected AA0.2025 (203)

Expected Aa0.4950 (495)

Expected aa0.3025 (303)