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Main u ses of B iotechnology: Genetic Engineering in Agriculture

Main u ses of B iotechnology: Genetic Engineering in Agriculture . Insect Protection . All of the commercially available insect - tolerant plants contain a version of the toxin Bacillus thuringiensis ( Bt) About Bt - Bt is found in nature in soil bacteria

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Main u ses of B iotechnology: Genetic Engineering in Agriculture

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  1. Main uses of Biotechnology:Genetic Engineering in Agriculture

  2. Insect Protection All of the commercially available insect -tolerant plants contain a version of the toxin Bacillus thuringiensis (Bt) About Bt - Bt is found in nature in soil bacteria - Bt toxins are highly effective for pests such as beetles and moth larva - Not toxic to mammals -Inserting the Bt gene into the plant produces a toxin that kills pests that feed on it. Examples: Bt cotton, corn, potatoes

  3. Herbicide Tolerance • Inserting a gene into the plant that gives tolerance to a specific herbicide • allows farmers to spray their crops with a powerful herbicide that wipes out everything but the crop itself. • Examples: Roundup ™ Ready Soybeans, Canola

  4. Disease/Virus Protection • Some crops contain a gene taken from a virus • Allows plant to resist infections by plant-attacking viruses • Examples: papaya, squash, potato

  5. Improved Nutrition • The most common example is “golden rice” • Has been modified using genes from a daffodil, a pea, a bacterium, and a virus • Rice contains high levels of beta-carotene, which the body can convert into vitamin A

  6. Improved Growth • Involves introducing growth hormone genes to produce more rapidly growing animals. • Example: AquAdvantage™ salmon

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