Gel lanes, biology forensic question help

May 6th, 2016
Price: $5 USD

Question description

In this gel lanes:  [Picture of properly prepared gel will be provided]

  1. Standard
  2. Blood found at the crime scene
  3. Suspect 1
  4. Suspect 2
  5. Suspect 3

Based on what you have learned in lab, explain the process of DNA Fingerprinting, how and why a gel like this one may be used to convict a criminal.  For full credit, be sure to explain how the restriction endonucleases (enzymes) and gel electrophoresis work.  HINT: think about how the DNA gets cut. 

Tutor Answer

(Top Tutor) Daniel C.
School: University of Virginia

1.The process of DNA fingerprinting starts with isolating DNA from any part of the body such as blood,semen vaginal fluids,bones etc2.Polymerase chain reaction(PCR) is the next step in the process.In many situations,there is only a small amount of DNA available for DNA fingeprinting.Because of this,in a test tube,DNA replication must occur to make more DNA.The DNA and the c...

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May 6th, 2016
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