The four sheep cloned from Dolly’s cell line did not suffer the same bad health as their sister, Dolly. Sheep live an average of 10 to 12 years, and these four — Daisy, Diana, Debbie, and ...

Dolly the sheep was the world’s first cloned mammal in 1996. Her death at a comparatively young age raised concerns that cloned animals may age more quickly, or make them less healthy ...

She said she was ‘flattered’ scientists at Edinburgh University chose to name Dolly the Sheep as a tribute to her. The ewe ...

On Tuesday scientists told the world that four clones of Dolly the sheep, known as the Nottingham Dollies, are alive and in good health. In fact, they're almost indistinguishable from non-cloned ...