Allele frequency is a measure of the relative frequency of an allele on a genetic locus in a population. Usually it is expressed as a proportion or a percentage. In population genetics, allele ...

The allele frequency represents the incidence of a gene variant in a population. Alleles are variant forms of a gene that are located at the same position, or genetic locus, on a chromosome.

Allele frequency, penetrance, and disease. Genome-wide association studies (GWAS) are effective in detecting common alleles that contribute to the inherited component of common multifactorial ...