ical tomatoes for more efficient packaging. It can, however, provide an alternative source of supply for some difficult to manufacture (and therefore expensive) drugs, permit the development of plant strains more resistant to disease or pests, and possibly produce organisms that can digest, break down, and render harmless toxic materials such as PCBs (5).
The basic technique of genetic engineering is variously referred to as "recombinant DNA" and (more evocatively) as "gene splicing." DNA is the long and complex molecule, taking the form of the often portrayed double helix, which serves as the "programming" input to shape the development of living organisms. The double helix co
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