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CLONING  

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CLONING The possibility of human cloning, raised when Scottish scientists at Roslin Institute created the much-celebrated sheep "Dolly", created worldwide interest and concern because of its scientific and ethical implications. The feat, cited by Science magazine as the breakthrough of 1997, also generated uncertainty over the meaning of "cloning" a term traditionally used by scientists to describe different processes for duplicating biological material. When the media report on cloning in the news, they are usually talking about only one type called reproductive cloning. There are different types of cloning however, and cloning technologies can be used for other purposes besides producing the genetic twin of another organism. A basic understanding of the different types of cloning is important to taking an informed stance on current public policy issues and making the best possible personal decisions. The following three types of cloning technologies will be discussed: a) recombinant DNA technology or DNA cloning,...

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