soft sweep

Granka JM, Henn BM, Gignoux CR, Kidd JM, Bustamante CD & Feldman MW 2012 Limited evidence for classic selective sweeps in African populations. Genetics 182:1049-1064.

• the absence of observed genic enrichment for highly differentiated polymorphisms may be due to ascertainment bias
• the SNPs analyzed here were ascertained primarily in European populations and are unlikely to be in LD with unique alleles that may be under selection in Africans