Fig. 6From: Evaluating the maintenance of disease-associated variation at the blood group-related gene B4galnt2 in house miceAverage genotype frequencies in the model with a frequency-dependent environment. The frequencies are displayed according to the value of ch, the cost of bleeding (y axis) and of infection (x axis). The average frequencies across 100 simulations, each with 10,000 generations, are displayed. The frequencies are color-coded according to the legend on the right. Stars indicate an excess of homozygotesBack to article page