unit 3 DB - better more fruitful crop Some of the benefits...

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I have chosen to research biotechnology in agriculture, specifically in modified crops that resist disease, pest infestation, and herbicides. This type of biotechnology can be accomplished in a few ways. For example to get a crop to be resistant to insects, they are introduced to a toxin bacillus thuringiensis (Bt), which is found in soil. Bt is toxic to most insects, but is harmless to mammals. There is growing concern of this method because some scientists feel doing this will just raise the tolerance the insects will have for Bt. Another example is producing disease resistant crops. This can be accomplished by cross breeding different types of a crop with varied disease resistance until the desired disease resistance is reached. (Wieczorek, 2003) These processes are examples of biotechnology because by altering crops by cross- breeding or genetically engineering them by manipulating their DNA, scientists can produce a
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Unformatted text preview: better, more fruitful crop. Some of the benefits of this application are, as stated before, a more fruitful crop, better crop protection, improved nutritional value, and better flavor. Like anything, there is also some risks associated with modifying crops. One concern is the inadequate tests on the long term affects of genetically engineered crops. There is also a concern of pests becoming immune to the toxins found in the altered crops. References Current uses of Biotechnology in Agriculture. (Dec, 2002). Retrieved from http://www.ucsusa.org/food_and_agriculture/science_and_impacts/science/current-uses-of-biotechnology.html Wieczorek, Ania. (May, 2003). Use of Biotechnology in Agriculture – Benefits and Risks Retrieved from http://www.ctahr.hawaii.edu/oc/freepubs/pdf/BIO-3.pdf...
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unit 3 DB - better more fruitful crop Some of the benefits...

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