Selective advantage of a modifier increasing the recombination rate in the sequential-updating model (r
= 0.1, r
= 0.15, r
= 0.2), for the deterministic regime (a) and for the stochastic regime with population size N = 1000 (b), N = 10 000 (c), and N = 100 000 (d). For further details see legend of figure 5.