Dolly the sheep clones age healthily
The sheep were found to be as healthy as naturally conceived animals. A study published today in Nature reviews the health of the four clones of infamous Dolly the sheep, the world’s first cloned animal which was born 20 years ago. Concerns were raised when Dolly died at the comparatively young age of 6.5 years old, however her clones have now all reached a robust nine years old without major health problems. The study’s lead author, Kevin Sinclair, told us more.
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