This program explains the principles of southern blotting, a technique used to create a visible picture of DNA that can be used in research. The viewer will follow the step-by-step process from separation of the DNA bands to fixing the image on film and the final arranging of the DNA fragments as separate bands. Five DNA samples are compared using this technique, one that is normal and four from patients with neurological disease. (17 minutes)

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Part of the Series : Biochemistry

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