Fig. 2
From: Phenotypic plasticity promotes recombination and gene clustering in periodic environments

Local stability analysis of the recombination rate r between the plasticity and the target locus under the genomic storage effect. For each pair of recombination rate alleles, r 1 and r 2, the corresponding color indicates whether r 2 fixes over r 1 (blue) or whether the two rates coexist at intermediate frequencies (orange), as predicted by the local stability analysis for C = 10 (a), 20 (b), 40 (c), and 80 (d). Empty cells imply that no plasticity–target polymorphism was present at equilibrium—i.e., no genomic storage possible. All the blue cells above the diagonal imply evolution toward higher recombination rates, while the blue cells below the diagonal imply evolution toward lower recombination rates (see arrows in the first panel). For example, under C = 10 an allele encoding no recombination will perish when competed with any rate ranging from 0.2 to 0.39, but it will coexist in balanced polymorphism with the rates in the range 0.4–0.5. The red dot corresponds to the ES recombination rate