Figure 8.

Average value of D' plotted as a function of the distance (in base pairs) along the chromosome between the pairs of polymorphic sites. The green line is a least-square fit with the exponential function y = A + Be^-x/x0, with A = 0.07103 ± 0.0002, B = 0.201 ± 0.001 and x₀ = 896 ± 7.