11.   By contrast, the government of Britain expressly permits, and regulates, therapeutic cloning experiments.

12.   Charities also are lining up to bankroll cloning experiments.

13.   Cloning experiments confirmed the same protein is produced in humans.

14.   Cloning experiments already have proliferated abroad, notably in China and England, according to interviews with researchers.

15.   Clinton also asked for a voluntary moratorium on private human cloning experiments until the legal and ethical issues can be sorted out.

16.   Does this talking-animal business have anything to do with those cloning experiments?

17.   He also said he might propose a two-year moratorium on cloning experiments, instead of an outright ban, in an attempt to pick up votes.

18.   In past cloning experiments, the timing was off, and the match produced embryos with abnormal chromosomes.

19.   In the meantime, other scientists are trying their own cloning experiments.

20.   Last month, the University of California at San Francisco admitted, after media inquiries, its researchers conducted a cloning experiment that failed.

a. + experiment >>共 659
scientific 6.20%
medical 5.29%
animal 2.95%
human 2.64%
similar 2.47%
new 2.25%
cloning 2.12%
first 1.99%
recent 1.78%
grand 1.17%
cloning + n. >>共 129
research 9.85%
experiment 9.11%
human 8.74%
technique 5.95%
technology 5.20%
process 4.09%
expert 2.97%
project 2.97%
ban 2.79%
animal 2.60%
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