Forensics

** This first site I would like you to visit will reinforce the notes on restriction analysis, otherwise known as DNA fingerprinting. On this page, I would like you to go to the link called "Human Identification" and then the "Profiling" link. Please peruse this site for information and watch the videos **. [] **Once done, you are free to look over the other items on the Human ID area or many of the other good links to what DNA has been used for and its current applications**. == ==


 * Now review how restriction enzymes work. Then take a look at a DNA being run through a gel electrophoresis machine. Please go to this site:** [] **At this site**, **listen to Bruce Nash then go to the four pictures on the right side of the board. Click first on the one labeled __"Cutting & Pasting DNA"__ then on the one labeled __"Restriction Digestion"__ and finally watch the __"Agarose Gel Electrophoresis__" interactive. Once done, you are free to explore other videos and link on the site**.

[] **or this site** []
 * Now complete Gel Electrophoresis on your own at this site:**

[] or []
 * Often there is not enough DNA at a scene to use in Restrictive Analysis and to keep some in the evidence room. Polymerase Chain Reaction must be done. (PCR) Please view this interactive to learn more about PCR.**

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 * Now, see if you can solve two crimes using DNA Restrictive Analysis and electrophoresis**