Should we restock extinct species?

03/11/2013 | National Geographic News

Researchers are looking at ways to use ancient DNA to resurrect long-extinct species. Species such as the Tasmanian tiger and the passenger pigeon may be good candidates for "de-extinction." In particular, scientists are exploring three possibilities: cloning, "reverse engineering" using the extinct species' closest living relative and "breeding back" using strategic mating to bring back characteristics of the extinct animal.

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