Positive selection in noncoding genomic regions of vocal learning birds is associated with genes implicated in vocal learning and speech functions in humans

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Figure 3.
Figure 3.

Relationship between branch length as inferred from fourfold degenerate sites in our 33-way bird alignment and the number of ARs found in each nonlearning bird. There was a broadly linear relationship between branch length and number of ARs ascertained, regardless of lineage, consistent with a clocklike accumulation of ARs.

This Article

  1. Published in Advance October 19, 2021, doi: 10.1101/gr.275989.121 Genome Res. 31: 2035-2049

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