31.   The Clinton administration has proposed allowing human cloning research to continue but wants to ban implantation of the cloned cells for five years.

32.   The president, in a speech, said a promising area of cloning research should be banned as unethical.

33.   The witnesses offered some possible benefits of cloning research.

34.   There is also a ban on federal funding for cloning research, but this would not affect private cloning efforts.

35.   This threat of rogue cloning research on distant shores puts in perspective proposals for US laws to forbid cloning.

36.   Would the government be giving a boost to cloning research that relies on stem cell regeneration?

37.   But the U.N. health agency stressed that other cloning research could bring significant medical benefits for mankind and should continue.

38.   But the World Health Organization stressed that other cloning research could bring significant medical benefits for mankind and should continue.

39.   Chen did not indicate that cloning research had begun, just that it might be a promising way to save the giant panda from extinction.

40.   Cloning research could lead to techniques for generating different types of tissue for transplantation, such as skin, blood and possibly nerve cells, he said.