// Keywords: environmental change

initialize() {
	initializeMutationRate(1e-7);
	initializeMutationType("m1", 0.5, "f", 0.0);  // neutral
	initializeMutationType("m2", 0.5, "f", 0.1);  // beneficial
	initializeGenomicElementType("g1", c(m1,m2), c(0.995,0.005));
	initializeGenomicElement(g1, 0, 99999);
	initializeRecombinationRate(1e-8);
}
1 early() { sim.addSubpop("p1", 500); }
2000:3999 mutationEffect(m2) { return 1.0; }
10000 early() { sim.simulationFinished(); }
