Encyclopedia entry: Genetic Engineering

B.H. LESSER AND DAVID NASH
Canadian Encyclopedia
01-01-2002
Genetic Engineering

Author: B.H. LESSER AND DAVID NASH

Genetic engineering is the artificial alteration of the genetic composition (the"genome" ) of cells or organisms. Since the genome is transmitted to descendants, the alteration is self-perpetuating. Because the genome controls biological activities, its manipulation may significantly alter biological function. The broadest definition of genetic engineering includes the artificial selection ofPLANTS andANIMALS , practised consciously or inadvertently in the development of domesticated varieties since prehistory. Conscious artificial selection of ...

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