The effect of temperature on the percentage of males in selfing inbred strains of P. pacificus at 15°C, 20°C and 25°C. Non-disjunction rates were calculated by scoring the proportion of males from about 8,000 selfing progeny for each strain. Selfing progeny was counted from 5–10 replicate plates seeded with 20 parental worms each. Only mean values are shown in the graph for clarity.
Click et al. BMC Evolutionary Biology 2009 9:75 doi:10.1186/1471-2148-9-75