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What is Bt Corn?

  Bt-Corn: What It Is and How It Works
Bt-corn is a type of genetically modified organism, termed GMO. A GMO is a plant or animal that has been genetically modified through the addition of a small amount of genetic material from other organisms through molecular techniques. Currently, the GMOs on the market today have been given genetic traits to provide protection from pests, tolerance to pesticides, or improve its quality. 



Caterpillars can damage corn crops. Bt extracted from a bacterium (Bacillus thuringiensis) is a pesticide that is toxic to caterpillars. The Bt gene can be inserted into the corn genome to yield a GMOcorn with built-in pest resistance. Farmers no longer need to spray crops with the Bt pesticide.
Source: Biology 1100: Bio1100. (n.d.). Retrieved March 08, 2018, from


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Created by Luciana Cavallaro 2017 | Updated July 2020