1. Forensic investigations: Compare the DNA collected from the crime scene to determine which of the three suspects was present? Is it Suspect 1, 2 or 3 and explain why? Victim Crime Scene Suspect 1 Suspect 2 Suspect 3 ||

1. Forensic investigations: Compare the DNA collected from the crime scene to determine which of the three suspects was present? Is it Suspect 1, 2 or 3 and explain why? Victim Crime Scene Suspect 1 Suspect 2 Suspect 3 ||

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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Question

1. Forensic investigations: Compare the DNA collected from the crime scene to
determine which of the three suspects was present? Is it Suspect 1, 2 or 3 and
explain why?
Victim
Crime Scene
Suspect 1
Suspect 2
Suspect 3

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In the diagram below, identify the DNA by clicking on the correct highlighted portion. TACGGGCTA Lenovo
Do you think it should be possible to convict criminals solely on gel electrophoresis of digested DNA samples? Why or why not?
Forensics Q1
QUE Marker CS1 CS2 J DNA1 DNA1 DNA2 DNA2 Enz 1 Enz2 Enz1 Enz2 [[ 1 1 11 JI Marker TE HC (CC Compare the two suspects DNA Samples from tubes 4 and 3 with the crime scene samples CS1 these were all cut with Restriction enzyme 1) Then compare the suspects DNA from tubes 2 and 4 with the crime scene sample CS2 (all cut with Restriction enzyme 2) om AUT Figure 7.2 Example gel image of suspect and crime scene samples. Samples were digested with restriction enzymes and run on a 0.8% gel. Please note that the markers used in this experiment may not match the markers in this figure.
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Examine your stained gel on a transilluminator depending upon the stain you used. Your instructor may instead have you photograph the gel and perform your analysis using the photograph. Use the DNA ladder in lane 5 to calculate band sizes.
VIDU If only one person can be the prime suspect, how can the other five suspects be eliminated based on the evidence presented. How? (One sentence or less per suspect)
What does a guy need to do (e.g. how different does his DNA profile need to be?) to be excluded as a possible contributor to a DNA profile from an evidence sample?
DNA fingerprinting is now widely used to tie a particular suspect to the DNA samples found at a crime scene. What does this mean? O a. DNA from the crime scene that matches an individual is unique to that person versus anyone on the whole planet O b. DNA fingerprinting is not that accurate O c. The DNA fingerprint must be taken from a database like DNA ancestry and cannot be collected from an individual who is a suspect O d. DNA from the crime scene may match more than one person on the whole planet e. There are no benefits to DNA fingerprinting
True or false: Ethidium bromide is added to your hot liquid agar solution to help separate the DNA bands by size and overall charge. True False
3 app.formative.com/formatives/63763915dfee3ba940357e25 4 5 6 7 8 9 10 11 Type here to search Sample 1 | | |||||||||||||||| || || | ||||||| ||| |||||||| Sample 2 19. An individual found with blood on her clothing was accused of a crime. DNA fingerprinting of the following samples was carried out: Sample 3 Sample 1: Blood of the accused individual Sample 2: Blood of the victim Sample 3: Blood sample found at the crime scene Sample 4: DNA evidence found on the accused individual's clothing Sample 5: DNA evidence found in the accused individual's car |||||||||||||||||| | || | Sample 4 12 13 14 Sample 5 O 15 16 17 18 19 20 21 * Is there DNA evidence to support the arrest of the accused individual for this crime? Q B fa
When a DNA sample is subjected to sequencing, the two strands must be separated. True False