DNA and FP lab.pptx

DNA and FP lab.pptx - DNA and Fingerprint Analysis NSCI 105...

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DNA and Fingerprint Analysis NSCI 105 Issues in Biology
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Questions from the Blood Type Lab Any problems with the procedure? Has anyone 100% ruled out a suspect? What’s next?
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Today’s Forensic Work DNA Electrophoresis Mapping Fingerprint Analysis
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Fingerprints Loops Whorls and Arches In 1882, Gilbert Thompson of the U.S. Geological Survey in New Mexico, used his own thumb print on a document to prevent forgery. This is the first known use of fingerprints in the United States. 1882 receipt issued by Gilbert Thompson to "Lying Bob" in the amount of 75 dollars.
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Loops
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Whorls
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Arches
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Total Ridge Count
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DNA Fingerprinting What already been done Blood collected from crime scene Blood processed to allow for DNA analysis DNA has been cut with a restriction endonuclease A What?
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“Molecular Scissors” What’s a restriction endonuclease you ask? A group of enzymes (found in bacteria), which when added to ANY DNA, breaks the sugar phosphate bond
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DNA and FP lab.pptx - DNA and Fingerprint Analysis NSCI 105...

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