Figure 1.

Comparison of allele frequency spectra. (A) Quantile-quantile plots of GC->AT and AT-> GC derived allele frequencies for highly (red) and low (blue) recombining intronic regions after fixing GC content. (B) The same as (A), but in this case we fixed recombination rates and compared high (red) vs low (blue) GC regions. (C) The same as (A), but in this case we fixed both GC content and recombination rates in order to compare regions from highly (red) vs low (blue) expressed genes.

Pozzoli et al. BMC Evolutionary Biology 2008 8:99   doi:10.1186/1471-2148-8-99
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