Four genetically-identical copies of Dolly the famous cloned sheep, which suffered ill health and died prematurely in 2003, are going strong at the advanced age of nine, a study said Tuesday. Debbie, Denise, Dianna and…
Four genetically-identical copies of Dolly the famous cloned sheep, which suffered ill health and died prematurely in 2003, are going strong at the advanced age of nine, a study said Tuesday. Debbie, Denise, Dianna and…