SpeZek writes "Dolly the sheep has been reborn. Four clones have been made by the scientist behind the original research. The quads, which have been nicknamed 'the Dollies,' are exact genetic copies of their predecessor, who was put down seven years ago. The latest experiments were partly carried out to check if improvements to the technique cut the risk of problems in and out of the womb. Named after country and western singer Dolly Parton, Dolly was created from a cell taken from a mammary gland. The rest of the sample of tissue has lain in a freezer since, until it was defrosted to make the Dollies."
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