Dolly the Sheep: a decade later

Nature retrospective on Dolly, the first mammalian clone created using the genetic material from an adult cell.  The lamb was born Feb. 27, 1997.

Ten years ago, the birth of Dolly the sheep sparked a media frenzy and a prolonged ethical debate. Today, the arguments have switched focus to stem cells, and the research itself is beginning to change tack.

Check out the excellent cloning timeline at the link. 

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