Genetic engineering is a process in which recombinant DNA (rDNA) technology is used to introduce desirable traits into organisms. A genetically engineered (GE) animal is one that contains a recombinant DNA (rDNA) construct producing a new trait. While conventional breeding methods have long been used to produce more desirable traits in animals, genetic engineering is a much more targeted and powerful method of introducing desirable traits into animals. In January 2009, FDA issued a final guidance for industry on the regulation of genetically engineered (GE) animals.
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