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Genetic engineering can help improve medicine, agriculture and the environment by manipulating genes. It works by locating a gene, inserting a desired trait using enzymes, reproducing the organism and observing the results. Medically, it can increase lifespan, help map the human genome for vaccine production and prevent or treat diseases. In agriculture, genetically altered plants can have higher commercial value and be more nutritious. For the environment, genetic engineering can convert harmful materials to useful and friendly substances, remove pollutants from land, and make plants more nutritious. The document advocates supporting genetic engineering to help these areas.






