Figure 5From: An examination of positive selection and changing effective population size in Angus and Holstein cattle populations (Bos taurus) using a high density SNP genotyping platform and the contribution of ancient polymorphism to genomic diversity in Domestic cattleFrequency spectrum of rare and common alleles for Holstein (A) and Angus (B) as determined by ancestral polymorphisms segregating in wild relatives, plotted as f(p) against p and the expected distribution under neutrality e(p).Back to article page