Figure 3.

Comparison of derived allele frequency distribution of SNPs at 0-fold degenerate sites (blue), lncRNA exons (red), neutrally evolving sequences: small introns - ancestral repeats (green) and four-fold degenerate sites (light blue), for D . melanogaster (A) and human (B).

Haerty and Ponting Genome Biology 2013 14:R49   doi:10.1186/gb-2013-14-5-r49
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