A body was found in an apartment in a downtown San Diego high-rise. To solve this murder, forensic scientists were brought in to analyze any evidence that might be found. The victim of the crime had only one piece of evidence on it: a bite mark. Crime scene techs recovered a small amount of saliva from this bite mark and, using DNA fingerprinting RFLP analysis, compared the DNA from this saliva to the DNA from 4 potential suspects, all who looked pretty guilty. The results of this analysis are shown below: Key: Victim (V) - A chihuahua Bite mark DNA (B) - from the suspect! Suspect 1 (S1)- A dachshund Suspect 2 (S2) - A pomeranian Suspect 3 (S3)- A Yorkshire terrier Suspect 4 (S4) - A schnauzer Based on these results, which suspect, if any, committed this crime? (Hint: compare the DNA found on the bite mark with the DNA from the suspects. The ladder is provided as a reference point.)

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
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A body was found in an apartment in a downtown San Diego high-rise. To solve this murder,
forensic scientists were brought in to analyze any evidence that might be found. The victim of the
crime had only one piece of evidence on it: a bite mark. Crime scene techs recovered a small
amount of saliva from this bite mark and, using DNA fingerprinting RFLP analysis, compared the
DNA from this saliva to the DNA from 4 potential suspects, all who looked pretty guilty. The results
of this analysis are shown below:
Key:
Victim (V) - A chihuahua
Bite mark DNA (B) - from the suspect!
Suspect 1 (S1) - A dachshund
Suspect 2 (S2) - A pomeranian
Suspect 3 (S3) - A Yorkshire terrier
Suspect 4 (54) - A schnauzer
Based on these results, which suspect, if any, committed this crime?
(Hint: compare the DNA found on the bite mark with the DNA from the suspects. The ladder is
provided as a reference point.)
s2
Ladder
B
s1
S3
S4
S3
None of these suspects committed this crime
52
51
54
Transcribed Image Text:A body was found in an apartment in a downtown San Diego high-rise. To solve this murder, forensic scientists were brought in to analyze any evidence that might be found. The victim of the crime had only one piece of evidence on it: a bite mark. Crime scene techs recovered a small amount of saliva from this bite mark and, using DNA fingerprinting RFLP analysis, compared the DNA from this saliva to the DNA from 4 potential suspects, all who looked pretty guilty. The results of this analysis are shown below: Key: Victim (V) - A chihuahua Bite mark DNA (B) - from the suspect! Suspect 1 (S1) - A dachshund Suspect 2 (S2) - A pomeranian Suspect 3 (S3) - A Yorkshire terrier Suspect 4 (54) - A schnauzer Based on these results, which suspect, if any, committed this crime? (Hint: compare the DNA found on the bite mark with the DNA from the suspects. The ladder is provided as a reference point.) s2 Ladder B s1 S3 S4 S3 None of these suspects committed this crime 52 51 54
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