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tfgDOLLY The first mammal ever to be cloned from an adult cell. Dolly was bred at the Roslin Institute (Midlothian), from a cell taken from the udder of a 6-year old Finn Dorset ewe, using a technique known as nuclear transfer. The research team was led by English-born scientist Professor Ian Wilmut. Despite being born an apparently normal lamb, Dolly was soon suspected to have been old beyond her years, with her genetic material seeming to reflect the age of the original donor cell. However, she bred normally, giving rise to a total of four lambs in 1998 and 1999. Dolly became an icon for the promise (and threat) of biotechnology.
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