Biology (MindTap Course List)
11th Edition
ISBN: 9781337392938
Author: Eldra Solomon, Charles Martin, Diana W. Martin, Linda R. Berg
Publisher: Cengage Learning
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Chapter 15, Problem 14TYU
Summary Introduction
To determine: The suspect’s DNA that matches the evidence as shown in the given figure.
Introduction: Short tandem repeats (STRs) are 3-7 base pairs repetitive sequence elements that are scattered throughout the human genome. These polymorphic loci can be amplified and compared with the standard sample to know about the origin of biological samples.
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DNA profiling identifies a person by the similar parts of his or her DNA
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1) Make up a crime scene scenario (or find a real one) in which DNA from a nonhuman provided critical evidence.
. Lane 1 represents DNA taken from the murdered victim. Lane 2 through 5 are DNA samples taken from suspects in the crime. Lane 6 is from a bloodstain found near the victim.
Q6. Why is it important to include the DNA taken from the murdered victim (Lane 1) in this DNA analysis?
Chapter 15 Solutions
Biology (MindTap Course List)
Ch. 15.1 - Prob. 1LOCh. 15.1 - Explain how gel electrophoresis is used to...Ch. 15.1 - Describe how PCR is used to amplify a specific...Ch. 15.1 - Compare the possible differences between a...Ch. 15.1 - Prob. 1CCh. 15.1 - Different forms of a protein are produced in the...Ch. 15.1 - What advantages does the PCR method have over gene...Ch. 15.2 - Describe the features of a typical CRISPR locus in...Ch. 15.2 - Explain the function of CRISPR in bacterial cells.Ch. 15.2 - Compare CRISPR-based endonucleases with...
Ch. 15.2 - Prob. 8LOCh. 15.2 - Prob. 1CCh. 15.2 - Prob. 2CCh. 15.2 - Prob. 3CCh. 15.3 - Prob. 9LOCh. 15.3 - Prob. 10LOCh. 15.3 - Discuss how qPCR, DNA microarrays (DNA chips), and...Ch. 15.3 - Explain how you would compare the expression of a...Ch. 15.3 - Prob. 2CCh. 15.4 - Describe how genome-wide association studies have...Ch. 15.4 - Explain how targeted gene silencing and knockout...Ch. 15.4 - Prob. 1CCh. 15.5 - Describe at least one important application of DNA...Ch. 15.5 - Prob. 1CCh. 15.5 - What are short tandem repeats (STRs), and why are...Ch. 15.5 - Why do gene targeting and mutagenesis screening in...Ch. 15.6 - Prob. 15LOCh. 15.6 - Prob. 16LOCh. 15.6 - Prob. 1CCh. 15.6 - Prob. 2CCh. 15.7 - Describe at least two safety issue associated with...Ch. 15.7 - What are some of the environment concerns...Ch. 15 - A plasmid (a) can be used as a DNA vector (b) is a...Ch. 15 - DNA molecules with complementary sticky ends...Ch. 15 - Prob. 3TYUCh. 15 - Which technique rapidly replicated specific DNA...Ch. 15 - Prob. 5TYUCh. 15 - A cDNA clone contains (a) introns (b) exons (c)...Ch. 15 - Prob. 7TYUCh. 15 - Gel electrophoresis separates nucleic acids on the...Ch. 15 - A CRISPR locus in a bacterium contains (a) short...Ch. 15 - DNA molecular with complementary sticky ends...Ch. 15 - These highly polymorphic molecular markers are...Ch. 15 - Prob. 12TYUCh. 15 - Prob. 13TYUCh. 15 - Prob. 14TYUCh. 15 - EVOLUTION LINK DNA technology, such as the...Ch. 15 - SCIENCE, TECHNOLOGY, AND SOCIETY What are some...
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Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, biology and related others by exploring similar questions and additional content below.Similar questions
DNA evidence first used in US courts....
Between 1980 and 1985
Between 1985 and 1990
Between 1990 and 1995
Between 1995 and 2000
Between 2000 and 2005
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Which student extracted DNA sample(s) contained DNA co-extraction impurities. Provide evidence to support your claim, give examples of such impurities and indicate its potential source.
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Write an analysis of the results, interpreting what you see in the smaller gell focusing on 6A, 6B, 6C, 6D and 6CS ( Crime Scene) DNA fragments in the agrose gell. Who is the guilty suspect and why ?
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what does DNA tests tell us about the time frame or circumstances under which DNA came to be associated with an evidence sample?
It depends on the sample
Who was the primary wearer of an article of clothing
If the DNA was depositied as a part of the crime or from innocent contact
The order in which the individuals contributed DNA to an evidence sample
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Can DNA profilesnow be obtained from saliva left on pet hairs found at crime scenes ?
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DNA Cheek Cells Lab
Identify the component of the solution which is the extracted DNA
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Do you think it should be possible to convict criminals solely on gel electrophoresis of digested DNA samples? Why or why not?
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Gel Electrophoresis Background and Protocol:
Gel electrophoresis is a laboratory technique that separates molecules by size using an electric current. The test has a positive and negative side. Do you believe DNA should be loaded on the positive (red) side or the negative (black) side? Please explain why using scientific reasoning.
Will larger DNA bands be closer or farther away from the well where you administered samples? Why?
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Refer to the DNA profiles comparing the DNA obtained from the three suspects with the crime-scene DNA.
Use a ruler to align the bands found under the crime-scene DNA with any of the bands found in the suspects’ DNA. Place the ruler at the bottom of the bands. Take notes on whether any of the suspects’ DNA shares the same bands as the crime-scene DNA.
Analyze your notes on each suspect’s DNA profile. Do any suspects share all the DNA bands found in the evidence DNA?
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Is PCR technique can help solved crimes? If yes, how? If no, why?
[Explain it in 10-15 sentences]
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Sometimes people don’t recover enough DNA from their cheek cells to be visible. Suggest a change to the procedure that could result in more DNA being collected.
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Q7 is based on the DNA fingerprint below presented to jurors in a murder trial. Lane 1 represents DNA taken from the murdered victim. Lane 2 through 5 are DNA samples taken from suspects in the crime. Lane 6 is from a bloodstain found near the victim.
Q7: Present a brief argument of what can be learned from the DNA evidence presented in the gel above. Hints: a) Which, if any, of the suspects is connected to the crime scene? b) What else is interesting about the DNA fingerprints of two of the other suspects?
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