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A Map of Recent Positive Selection in the Human Genome

Figure 3

Plots of Chromosome 2 SNPs with Extreme iHS Values Indicate Discrete Clusters of Signals

SNPs with |iHS| >2.5 (top 1%) are plotted. The bottom plot combines signals for all three populations, plotting only SNPs with derived frequency >0.5 and iHS <−2.5. Such SNPs correspond to high-frequency-derived SNPs in the range for which our test is most powerful. The short vertical bars below each plot indicate 100-kb windows whose signals are in the top 1% of windows genome-wide.

Figure 3

doi: https://doi.org/10.1371/journal.pbio.0040072.g003