Figure 2.

Increase in gene number through evolutionary time for all lineages (blue lines) in the latest Ensembl version (version 59). The red line indicates the lineage leading to the human genome. The dashed part of the line indicates the artifactual peak of duplications at the eutherian nodes.

Vilella et al. Genome Biology 2011 12:401   doi:10.1186/gb-2011-12-2-401
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