"To clone a sheep" means to create an exact genetic copy of a sheep by duplicating its DNA and producing a new sheep that is genetically identical to the original sheep. Full definition
«A few months after the first cloned sheep named Dolly was announced to the public, I created two telerobotic dolls. (lynnhershman.com)
Nottingham's Dollies — Debbie, Denise, Dianna and Daisy — have just celebrated their 9th birthdays and along with nine other clones they are part of a unique flock of cloned sheep under the care of Professor Kevin Sinclair, an expert in developmental biology, in the School of Biosciences. (sciencedaily.com)
But new X-rays of Dolly's skeleton and those of other cloned sheep and Dolly's naturally conceived daughter Bonnie indicate that the world's first cloned mammal had the joints of normal sheep of her age. (sciencenews.org)