(FORTUNE Magazine) – Lions and tigers and bears? Well, not yet. But after Genetic Savings & Clone revealed in mid-February that it had duplicated a cat, the prospect of mass cloning suddenly feels close at hand. Here, cloning milestones, past, present--and future. --Julie Schlosser

Dolly, sheep July '96 PPL Therapeutics and Roslin Institute create Dolly, the first mammal cloned from adult animal cells. Poor dear, at age 5 she already has arthritis.

George and Charlie, calves January '98 UMass and Advanced Cell Technology use cloning and genetic methods to create calves. Now, if we could just copy Clooney and Sheen.

Mice June '98 The University of Hawaii produces 50 mice from a single mouse. You wouldn't know it in Honolulu, but rats do this every day in New York.

Piglets March '00 Dolly's creator breeds a litter of pigs and names one "Dotcom." She loses 97% of her value in two months and files for Chapter 11.

CC, cat December '01 Operation CopyCat, funded by Genetic Savings & Clone, produces a tiger-tabby kitten in Texas. The Keating Five deny all culpability.

Alan Greenspan June '04 Memo to the Maestro: Just let us swab your mouth, we'll take care of the rest.

Britney Spears December '06 "Oops, I did it again!" exclaims the scientist who concocts a Britney look-alike on the crooner's 25th birthday.