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Agricultural Applications · Q34

Q.Apart from insect resistance, name two other broad goals for which genetically modified crops are being developed (e.g., in relation to nutrient content or post-harvest losses), giving one example for each.

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While insect and pest resistance (as in Bt crops) is one of the most widely deployed applications of genetic engineering in agriculture, it is far from the only goal researchers pursue when developing genetically modified crops.

One important goal is improving the nutrient content of a staple food crop, particularly to address widespread nutritional deficiencies in populations that rely heavily on that crop as a primary food source. Golden Rice is a well-known example: it is a genetically modified rice variety engineered to produce elevated levels of beta-carotene, a precursor that the human body converts into vitamin A, in the edible grain itself. This was developed specifically to help address vitamin A deficiency, a significant public health problem in some populations that rely on rice as a dietary staple but do not otherwise get enough vitamin A or its precursors from their diet. …

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