Figure 8

Egg to adult viability. Measurements of egg to adult viability of offspring resulting from crosses involving flies from mass-bred populations. Each cross type is represented by the letters O (Oulanka) and V (Vancouver), with the female parent listed first. Sample sizes are indicated inside the bars and different letters above error bars indicate significant differences between means based on Kruskal-Wallis tests. Error bars represent ± 1 SE.