1.   The process allowed Scottish scientists to clone the sheep named Dolly.

2.   Last year, he used embryos to successfully clone two sheep.

3.   A biologist clones a sheep?

4.   After Scottish scientists announced last February that they had cloned a sheep, Clinton banned the use of federal money for cloning humans.

5.   Cloning a sheep was a scientific marvel.

6.   Cloning a sheep suggests it may be possible to clone a human.

7.   Cloning sheep?

8.   Clone a sheep, as Wilmut has, to study genetic disease, primarily as a tool in animal husbandry.

9.   In the four years since Dolly the sheep was cloned, becoming the most celebrated barnyard animal on the planet, human cloning has come closer to reality.