Figure 1.

(a) Mean F_ST in pairwise population comparisons in the observed data. (b) Distribution of F_ST values in HapMap data set. (c) Mean F_ST in pairwise population comparisons in the simulated data. (d) Distribution of F_ST values in the simulated data set. YRI, Yoruba in Ibadan, Nigeria; CEU, Utah residents with ancestry from northern and western Europe, CHB, Han Chinese in Beijing, China, and JPT, Japanese in Tokyo, Japan