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simply scanning the DNA sequences associated with any given gene (in 5', intronic, and 3' positions relative to the transcription unit). This would permit a far more robust brand of comparative genome analysis than is currently available. For now, we must be content with comparisons of protein coding genes as discussed for FOXP2. In the future it might also be possible to identify changes in the expression profiles of homologous genes. The continuing development of new computational methods and the availability of new genome assemblies offer exciting prospects for the use of comparative methods to reveal the mechanisms of evolutionary diversity.

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