Figure 2.—

Adult phenotypic analysis. (A) Adult distribution by genotype of chromosome 11. The overall comparison of gender distribution among the three genotypes using Fisher's exact test resulted in a P-value = 0.007. The largest difference was observed between the B6/B6 and 129/129 homozygotes (**) (P-value = 0.002). (B) Adult distribution by region of chromosome 11. Using a multiplicative model, the B6 and 129 regions were also found to be different with respect to adult gender distribution (**) (P-value = 0.0005). The same results were obtained when the phenotype categories were treated as ordinal.