Figure 3.

Tracking Changes in Recombination and Genetic Diversity in US Runner Genotypes.

(A) Recombination events/number of possible events for each chromosome grouped by breeding cycle.

(B) Frequency of all polymorphic markers (left panel) observed in the populations and 1% of the simulated distribution of simulated polymorphism due to genetic drift. The right panel shows markers unique to only one ancestor.

(C) First two principal components of genetic diversity between cultivars grouped by breeding cycle and major germplasm introduction.