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Breakthough in understanding of how mutations occur in genes
For the first time, it can now be shown what enzyme copies the genetic make-up of cells.
The discovery is being published in the journal Science by researchers at Umea University in Sweden in collaboration with a team in the US led by Thomas A. Kunkel.
The human genome has already been mapped, as have the genomes of several other organisms. On the other hand, little has been known how genes are copied and repaired so efficiently and precisely.
