There is a federal moratorium on the use of federal funding for research on cloning humans and many scientists abroad are abiding by a self-imposed moratorium on cloning humans.

CNN: 'Raelian' biochemist insists she will clone human

Many scientists around the world are abiding by a self-imposed moratorium on cloning humans and several countries have laws that forbid cloning.

CNN: U.S. lawmakers debate limits on human cloning