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Guides: Cloning

Last Updated: Thursday April 14 2005 16:41 GMT

Does cloning work?

Dolly the sheep
In 1997 Dolly the sheep became the first ever cloned mammal.

Scientists in Scotland used a new type of technique. When Dolly was born months later, it had taken 276 tries to get it right.

Since Dolly cows, pigs, monkeys, rodents, cats, mules, horses and dogs have been cloned.

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