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. 2016 Mar 18;7:10775. doi: 10.1038/ncomms10775

Figure 4. Analysis of the presence of European DAnc tail alleles in ancient European genomes.

Figure 4

(a) Proportion of European alleles present in Loschbour (LB) or Stuttgart (STG) among those in the tails of the DAnc (YRI, GBR, Ust′-Ishim) distribution. Bootstrapping provided confidence intervals (95% confidence interval shown) and asterisks indicate significant differences between LB and STG (*P<0.05, **P<0.01 and ***P<0.001). (b,c) Expectation of these proportions in the (b) European or (c) African tails, in the absence of adaptive evolution and with various intensities of background selection (measured by B scores). Genic alleles are simulated with B<1, and non-genic alleles with B=1. The 95% confidence interval shown is obtained via bootstrapping.