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Nature 422, 25-26 (6 March 2003) | doi:10.1038/422025a
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Evolutionary biology: Speciation reversal
Ken Wolfe
Abstract
Chromosome rearrangements within species are thought to contribute to reproductive isolation between species. This has now been shown directly by unrearranging yeast chromosomes to break down a species barrier.
Research into evolution is usually a bit like forensic detective work. Because it's impossible to carry out million-year experiments, we instead look at what evolution has produced and try to figure out what happened and why.
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