Human Heredity: Principles and Issues (MindTap Course List)
11th Edition
ISBN: 9781305251052
Author: Michael Cummings
Publisher: Cengage Learning
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Chapter 14.6, Problem 1EG
Suppose you are arrested for a serious crime and a DNA profile is created and entered into databases. Later, you are proven innocent. Should you have the right to have your DNA profile removed from all databases?
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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?
You are a forensic scientist in charge of DNA samples in a case where a man was murdered. You conduct gel electrophoresis on the samples to determine the DNA profile of the samples. The rows of bands have been marked to make it easier to reference the bands. The sample marked 'evidence' came from under the victim's fingernails, likely indicating a struggle. There are two suspects in the case, both of whom are brothers, they are marked suspect 1 and suspect 2, for brother 1 and brother 2, respectfully. Does the evidence collected match the DNA profiles of either brother? If yes, which one? If no, then would it be likely that the actual criminal is a family member of the brothers? If yes, what could the relation be (mom, dad, cousin, aunt, or uncle)?
Note: there is a sister in their family, their parents are both still alive, and they have a robust extended family. The brothers are not twins.
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?
Chapter 14 Solutions
Human Heredity: Principles and Issues (MindTap Course List)
Ch. 14.6 - Suppose you are arrested for a serious crime and a...Ch. 14.6 - Prob. 2EGCh. 14 - Can DNA profiling identify the source of a sample...Ch. 14 - Can DNA profiling identify the source of a sample...Ch. 14 - Can DNA profiling identify the source of a sample...Ch. 14 - Biopharming: Making Human Proteins in Animals...Ch. 14 - Prob. 2QPCh. 14 - Prob. 3QPCh. 14 - Genetically Modified Foods The creation of...Ch. 14 - Prob. 5QP
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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 analysis has proved to be very useful for detecting a variety of genetic diseases including Huntington's disease, cystic fibrosis, and hemophilia. Group of answer choices True or Falsearrow_forwardIdentify when in a crime scene DNA may become mixed.arrow_forwardCan you please check my answer and make sure it is correct. Question: How can DNA evidence be used to convict or exonerate a defendant? Why is DNA evidence so powerful? Answer: DNA evidence can be used to perform DNA profiling to determine the genotype of the specific DNA sample. With just a small amount of DNA, PCR can produce billions of copies of that specific segment. The segments that are used are from non-coding regions that contain STR’s or short tandem repeats. These very short DNA sequences are repeated and are specific to individuals because we inherit them from our mother and father. Gel electrophoresis separates the PCR products based on their size and each band is compared to the allele ladder. This process helps to identify the alleles present in the original samples. DNA profiling is performed at many loci to be able to tell the genetic difference between different individuals with a lot of certainty. The DNA from the different suspects is compared to the allele…arrow_forward
- Does this test prove conclusively that either man is Frank’s father? Why or why not?arrow_forwardA company uses patient DNA for research without the patient's knowledge or consent. Summarize the relationship between ethics and health care research using your chosen ethical scenario.arrow_forwardExamine the gel from a Rape investigation below. If you were the DNA analyst you would conclude that: DNA size markers blood sexual assault evidence samples victim |suspect A suspect B female fracțion male fraction 1 2 3 4 5 6 A. Suspect B is excluded as the source of the evidence, but Suspect A cannot be excluded. B. Both Suspects A and B are excluded as the source of the evidence. C. Suspect A is excluded as the source of the evidence, but Suspect B cannot be excluded. D. Suspect B cannot be excluded as a source of the evidence. The results with Suspect A are inconclusive. E. Neither Suspect A or B can be excluded as a source of the evidence.arrow_forward
- In your own words, Make a reflection about the Subject Personal Identification of Fingerprint and Describe how the learnings you obtain in this subject are benefiting or will benefit you not just as a criminologist but also as an everyday individual. Write in 200 words.arrow_forwardFor this statement, answer True or False and explain your answer briefly. In the mitochondrial DNA analysis, it is necessary to analyze and record the whole DNA sequence for personal identification.arrow_forwardName a medical serial killer and if they were in your hospital, how would you go about "finding them," while protecting your patients?arrow_forward
- Discuss the principle of DNA fingerprinting. How would you use the technique to find out a criminal in forensic studies ? Explain.arrow_forwardWhy can a DNA sample not be a reliable source of evidence?arrow_forwardWhen answering a writing prompt, you should always be sure to include: [select the two answers that apply] An answer to the question (in your own words). Evidence from the text. essay format with as many words as possible.arrow_forward
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