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Genetic engineering allows the introduction of traits from some living organisms into another living organism, not just from the members of the same of close related species. For example, the genes from fish have been placed in vegetables and crops. Therefore, the desired results are produced over a single generation, rather than multiple generations, as it is the case of selective breeding. Genetic engineering is far more precise than selective breeding. The range of genetically modified organisms have already been available or in development. Crops have genes inserted that produce insecticides, giving them automatic protection from insect attack. Tomatoes are engineered to contain a gene from a fish to help themselves survive longer in cool storage.
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