Fig 2. Predicted weighted LD surfaces from simulations and theory for varying admixture proportions.
The heat maps are from simulations and the contours are plotted from Eq 7. The two admixture times were fixed at 2 and 12 generations ago (T1 = 10 and T2 = 2) while the admixture probabilities were varied. Each square covers the range 0.5 cM < d, d′ < 20 cM. As the total admixture proportion m2 + m1(1 − m2) increases above 0.5, the contours change to reflecting that the majority contribution of the genetic material now originates from the other population. Weighted LD surfaces for m1 > 0.5 or m2 > 0.5 are not shown, but are qualitatively similar to the surfaces on the lower and rightmost sides.