Figure 3From: Disease-associated alleles in genome-wide association studies are enriched for derived low frequency alleles relative to HapMap and neutral expectations Allele frequency distributions for GWAS data. Allele frequencies are binned into 0.10 intervals. Derived probability densities are labelled in black and ancestral probability densities are labelled in grey. A) All disease-associated alleles (n = 1143). B) Disease-associated alleles that have been implicated in multiple studies (n = 142).Back to article page