[ExI] Dolly and cloning

John Clark johnkclark at gmail.com
Sun Jul 31 17:33:06 UTC 2016

Dolly the sheep was born 20 years ago and died at a relatively ​early age
leading some to speculate there is an inherent flaw in the cloning process
itself, but apparently that is not the case. The journal Nature
Communications reports on 13 cloned sheep, 4 of which were derived from the
same cell line as Dolly, they are aged between 7 and 9 years old
(equivalent to a human in her late 60s or early 70s), and are all going
strong and are still healthy for sheep of that age. It seems that Dolly was
just unlucky, Kevin Sinclair the lead author of the study said of the 4
Dolly clones  "They’re old ladies but very healthy for their age".


​ John K Clark​
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