Fig. 5.

Plots showing examples of oscillation in different variables under various release ratios and fitness costs for a bisex release with strongly suppressed bisex lethals. Here panels demonstrate (a) an undershoot in the double transgene homozygote (AABB) genotype frequency; (b) no oscillation; and (c) oscillation in the transheterozygote (AaBb) genotype frequency. Each panel represents a particular point in parameter space from Fig. 4(a) with details of release ratios (α) and fitness costs (${\varepsilon }_a={\varepsilon }_B$) used given in the respective labels. Note that these three scenarios are located to the left, in the centre and to the right, respectively, of the divide in Fig. 4(a).