Marginal underdominance at a stable equilibrium.
An example is given of a stable equilibrium of a deterministic discrete-generation two-locus, two-allele, model at which marginal (or induced) underdominance holds. The example was found by using a numerical search procedure that involved picking random equilibria and finding possible fitnesses that would lead to those equilibria.
Department of Mathematics, University of California, Davis, California 95615.
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Hastings