Figure 5.

Comparison of gene expression conservation to evolutionary distance. The scatter plots show expression distance as 1 – Pearson correlation, using median-subtracted asinh values (comparable to ratios). (a) Median pairwise correlation over all genes; each point represents a pair of species. (b) Median pairwise correlation over all tissues; each point represents a pair of species. (c) Individual pairwise correlations over tissues, as indicated with colors; each point represents a single tissue in a single pair of species. Estimated species divergence times were obtained from [48].

Chan et al. Journal of Biology 2009 8:33   doi:10.1186/jbiol130
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