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. 2014 Jul 29;15(1):636. doi: 10.1186/1471-2164-15-636

Figure 4.

Figure 4

Density of variants and expressed genes across 100-kb loci for the midgut transcripts for each Anopheles gambiae chromosomal arm. Variant density (blue filled graph) and gene density (red filled graph) shows variants across the entire genome with a tendency to decrease toward centromeric regions (“C” label). The gap region of no variants or expressed genes in Chromosome 3R corresponds to the heterochromatic region (orange arrow) near subdivision 35B/C. A normalized ratio of variants to gene density (blue line graph) shows regions of high polymorphism and regions of low polymorphism.