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= DNA and Gel Electrophoresis: = Are you a fan of the T.V. show CSI? Ever wonder how they can catch a criminal from just a single drop of blood or a single hair left at the scene of the crime? Well. . . this is how. . . media type="custom" key="22268444"
 * First. . . find out how you can extract DNA from living tissue. Do the virtual demonstration below and answer the questions in your document
 * Second. . . read how a DNA sample is prepared for electrophoresis by cutting into fragments by restriction enzymes

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 * Third ... perform a simulated gel electrophoresis lab and answer the questions in your document:

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 * Fourth ... Read how synthetic insulin is made

Visit this website to learn more about genetic engineering [|Genetic Engineering]