MARTIN SAVIDGE, CNN ANCHOR:
We have breaking news this morning from the world of science. A U.S. laboratory says it has successfully cloned the first human embryo. The Advanced Cell technology scientists have been reportedly working on the project over the past several months. They describe their findings in the Journal of Regenerative Medicine. The transfer of human DNA into human eggs and the growth of those eggs into six-cell embryos. The finding could mean breakthroughs in treatments for deadly disease. It also means a great deal of controversy.

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