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First Cloning of Human Embryo Ignites Controversy

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The November 25th announcement by a Massachusetts biotechnology firm that it had achieved the first successful cloning of a human embryo has sparked concern among politicians, religious leaders, and others. The firm, Advanced Cell Technology, intends to create human embryos via cloning for the purpose of harvesting stem cells for research. Although none of the cloned embryos survived long enough to develop stem cells, leading some researchers to …

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