De-extinction, a process whereby scientists “resurrect” an organism that is – or resembles – an extinct species, was once talk of science fiction. Now, advances in genomic technologies have made it a forthcoming reality.

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John Stamos pays tribute to Matthew Perry as he reminisces over sweet gesture on Friends set 20 years ago: 'I never forgot that' The CRISPR/Cas9 technique uses tags which identify the location of the mutation, and an enzyme, which acts as tiny scissors, to cut DNA in a precise place, allowing small portions of a gene to be removed In the near future, Dr Gilbert plans to try doing the actual gene editing on rats but would like to start with species that are still living.Researchers believe this because one hypothesis of how the Christmas Island rat was driven to extinction is that a infectious disease was introduced to the island by Norway brown rats.

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