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9 Animals That Changed History

Reader's Digest Logo By Beth Dreher, Meghan Jones of Reader's Digest | Slide 1 of 9: On July 5, 1996, this fuzzy little bundle of joy emerged from the belly of one of her three mothers, the first mammal cloned from an adult cell. Dolly's birth proved that a technique called somatic cell nuclear transfer, a technique in which the cell nucleus from an adult cell is transferred into an unfertilized egg, blasted with electricity, then implanted into a surrogate, could work. Dolly died of a lung disease at age six, but the cloning technique used to produce her was later employed on other larger mammals, including pigs, deer, horses, and bulls.

Dolly the sheep proved cloning was possible

On July 5, 1996, this fuzzy little bundle of joy emerged from the belly of one of her three mothers, the first mammal cloned from an adult cell. Dolly's birth proved that a technique called somatic cell nuclear transfer, a technique in which the cell nucleus from an adult cell is transferred into an unfertilized egg, blasted with electricity, then implanted into a surrogate, could work. Dolly died of a lung disease at age six, but the cloning technique used to produce her was later employed on other larger mammals, including pigs, deer, horses, and bulls.

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