Dolly the Sheep’s cloned sisters aging gracefully
Technique to create nearly identical copies of animals doesn’t harm health
CLONE CLUB Dolly the Sheep’s nearly identical sisters — Debbie, Denise, Dianna and Daisy — were produced from the same mammary gland tissue as Dolly. The new clones are not aging prematurely as was feared for Dolly.
The University of Nottingham