Answered: 1 Collect evidence from the crime scene

Human Anatomy & Physiology (11th Edition)

11th Edition

ISBN:9780134580999

Author:Elaine N. Marieb, Katja N. Hoehn

Publisher:Elaine N. Marieb, Katja N. Hoehn

Chapter1: The Human Body: An Orientation

Section: Chapter Questions

Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...

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Transcribed Image Text:Collect evidence from 6) the crime scene Probe the membrane with DNA fragments that complement the DNA sequence of the fragments of interest. Compare the fragment profile of the evidence DNA with those of the suspects, detective and victim to see if they match. 2 Isolate DNA from an evidence sample 3 Cut the DNA into fragments using specialized protein "scissors" called restriction enzymes. For every person, the sizes of the cut fragments are unique - except for identical twins. 4 Separate the negatively charged DNA frag- ments in a gel by passing an electric current 8 Re-probe the membrane up to 10 more times to identify different fragments. GEL through it. If the profiles from the evidence DNA and a suspect match multiple times,then it is very likely that the Transfer the DNA fragments from the gel to a sheet evidence DNA came from the suspect. of membrane 1. Describe 3 things that you notice about the process of Gel electrophoresis in the diagram above. 1. 2. 3. 2. How are DNA profiles compared to detect possible contamination of samples? Evidence DNA Suspect #1 Suspect #2 | Victim Officer

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