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Study shows cloning does not lead to premature ageing

Once cloned animals survive the first few years of life, they won't die any sooner than other animals

Daisy, Diana, Debbie and Denise, the four clones created from the same cell line as Dolly the sheep. In a study published recently in Nature Communications, scientists tested four sheep, created from the same cell line as Dolly, and nine other cloned sheep, and found that, contrary to popular belief, cloned animals appear to live and age normally.

New York

DOLLY the sheep started her life in a test tube in 1996 and died just six years later. When she was only a year old, there was evidence that she might have been physically older. At five, she was diagnosed with osteoarthritis. And at six, a CT scan revealed tumours growing in her...

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