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A Map of Recent Positive Selection in the Human Genome

Figure 4

Central 99% Range of Unstandardized iHS for SNPs in the Yoruba Data and for SNPs in Matched Neutral Simulations

The upper and lower lines mark the boundaries of the central 99% distribution of the unstandardized iHS ratio, as a function of derived allele frequency. The gray lines plot results for a range of plausible demographic models. The fatter tails in the real data are consistent with the action of selection.

Figure 4

doi: https://doi.org/10.1371/journal.pbio.0040072.g004