Scientists have begun building genetically engineered food to change the DNA structure in plants. For example, tomatoes are sensitive to frost, which shortens their growth season. Fish, on the other hand, live in very cold water. Scientists identified and isolated the specific gene that enables a flounder to resist cold and used the technology of genetic engineering to insert this ‘anti-freeze’ gene into tomatoes. This makes it possible to extend the growing season. At first glance, this might seem…
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