Figure 2

Average investment (in IDR) in the risky option, as a function of an individual’s genotype.
Heterozygotes 4R-2R tend to be more risk-averse, i.e. to invest less money (11,150 ± 512 SEM) than homozygotes 4R-4R or 2R-2R (12,724 ± 600 or 12,417 ± 905, respectively).