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DNA FINGERPRINTING

DNA FINGERPRINTING. The story…. 1) Provide a timeline 2) Draw a family tree 3) How could you explain Tom’s resemblance to TJ? 4) Why is the Y chromosome a good marker? 5) What is a haplotype ? 6)How can the descendants be used to indicate paternity?. DNA. Double helix A = T C = G.

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DNA FINGERPRINTING

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  1. DNA FINGERPRINTING

  2. The story…

  3. 1) Provide a timeline2) Draw a family tree3) How could you explain Tom’s resemblance to TJ?4) Why is the Y chromosome a good marker?5) What is a haplotype?6)How can the descendants be used to indicate paternity?

  4. DNA • Double helix • A = T • C = G

  5. Restriction Enzymes • Bacterial origin • Cuts DNA sequences into shorter fragments • Site specific • Ex: EcoR1 cuts at GAATTC sequence Living organisms that have different characteristics The more different the organisms the more different are the DNA sequences different DNA sequences

  6. www.uic.edu/classes/phar/phar331/lecture6/ Restriction Enzymes

  7. DNA FINGERPRINTING Professor Sir Alec Jeffreys http://www.biotech.iastate.edu/biotech_info_series/bio6.html#anchor861530#anchor861530

  8. DNA Fingerprinting- Who’s the father? Are you sure?

  9. Use Multiple Probes Eric S. Lander

  10. An Meeker-O'Connell

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