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Title: Cloning
Words: 636
Cloning
By Jerett Rearick
The possibility of human cloning, raised when Scottish scientists at Roslin Institute created the much-celebrated sheep "Dolly", has aroused worldwide interest and concern because of its scientific and ethical implications. The feat, cited by Science magazine as the breakthrough of 1997, also has generated uncertainty over the meaning of "cloning"; an umbrella term traditionally used by scientists to describe different processes for duplicating biological material. One goal of this and similar research is to develop efficient ways to alter animals genetically and reproduce them reliably. Alterations have included adding genes to create drug-producing animals as well as inactivating genes to study the effects and possibly create animal models of human dise ...
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