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Figure 2 | BMC Biology

Figure 2

From: Accelerated gene evolution and subfunctionalization in the pseudotetraploid frog Xenopus laevis

Figure 2

Symmetric evolution of paralogs. Scatter plot of relative evolution between X. tropicalis peptides and their co-orthologous sequences in X. laevis. A total of 578 gene triples with 16 or more highly-conserved positions are shown (see text for details). L1 and L2 refer to co-orthologous genes 1 and 2 in X. laevis. The diagonal line represents a null model assuming symmetric evolution of L1 and L2. Black boxes are L1–L2 pairs inconsistent with this model at P < 0.01.

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