Fig. 2

Genome-wide distribution of mapped cis-eQTLs. A Genome-wide distribution of gene length and intergenic distances. B Genome-wide distribution of mapped cis-eQTLs (n = 11,083). The scale inside indicates the effect size of the eQTLs (points represent individual cis-eQTLs and different colors distinguish chromosomes). C Distribution of expression variation and proportion of genes with an eQTL in core (blue) and accessory (yellow) chromosomes. Gene expression on accessory chromosomes is normalized for chromosome presence-absence in the population