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The first animal to be successfully cloned was a tadpole, all the way back in 1952. Several other creatures were cloned after this feat, but the most memorable in the popular imagination was Dolly, the sheep cloned from a cell taken from an adult sheep in a Scottish laboratory in 1996. This was a first, as was the fact that Dolly was a mammal. The scientists that cloned Dolly tried 277 udder cells from "parent" sheep, but only one was successful. While cloning of animals had been going on for almost half a century, the case of "Dolly" received the most attention, and raised many questions about the possibility and the ethics of human cloning.
The first animal to be succesfully cloned was Dolly the Sheep
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