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Fig. 3 | BMC Evolutionary Biology

Fig. 3

From: Patterns of genomic differentiation between two Lake Victoria cichlid species, Haplochromis pyrrhocephalus and H. sp. ‘macula’

Fig. 3

The hitchhiking effect of divergent selection when a new beneficial allele arises by a new mutation (a) and is derived from standing variation (b). The x-axes represent distance from the target site of divergent selection (scaled by the population recombination rate), and the y-axes represent nucleotide diversity in population 1 (πW; red), πW in population 2 (orange), average pairwise nucleotide divergence between species (πB; blue), and FST (green). Dashed gray lines indicate the theoretical expectations of πW and FST under neutrality

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