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Nature 449, 673-674 (11 October 2007) | doi:10.1038/449673a; Published online 10 October 2007
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Evolutionary genetics: Making the most of redundancy
Edward J. Louis1
Abstract
Single genes, chromosomal regions and even entire genomes can undergo duplication. What good can come of these extra copies? Evolution seems to use several tricks to take advantage of the situation.
Gene mutations often result in abnormal levels or function of their protein products. Consequently, the divergence rate of DNA sequences that encode genes is generally slower than that for non-coding sequences.
- Edward J. Louis is at the Institute of Genetics, Queen's Medical Centre, University of Nottingham, Nottingham NG7 2UH, UK.
Email: ed.louis@nottingham.ac.uk
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