BELK SCIENCE F/LIFE-MASTRG. BIOL.AC+EBK
6th Edition
ISBN: 9781323907634
Author: BELK
Publisher: PEARSON
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Chapter 9, Problem 2GFO
Summary Introduction
To write:
The questions that can be asked to check the veracity of DNA evidence.
Introduction:
DNA stands for “Deoxyribonucleic acid”. The organisms that contain well-defined genetic material present in a nuclear membrane are called eukaryotes. However, the organisms that do not have a membrane bound genetic material are called prokaryotes. The eukaryotes have DNA as their genetic material while prokaryotes have RNA.
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Group of answer choices
True or False
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
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Chapter 9 Solutions
BELK SCIENCE F/LIFE-MASTRG. BIOL.AC+EBK
Ch. 9 - Is a round yellow pea seed (genotype Rr Y y) an...Ch. 9 - What factors cause quantitative variation in a...Ch. 9 - The DNA profile below is from a mother, a father,...Ch. 9 - Prob. 4LTBCh. 9 - Prob. 5LTBCh. 9 - Prob. 6LTBCh. 9 - Prob. 7LTBCh. 9 - Prob. 8LTBCh. 9 - Add labels to the figure that follows, which...Ch. 9 - Prob. 10LTB
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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?arrow_forwardinvestigative units can use DNA fingerprinting to analyze a crime scene. Explain how this is doneand why all of us have unique DNA fingerprints.arrow_forwardThis is forensic science help asaparrow_forward
- 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_forwardYou 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.arrow_forwardShould DNA phenotyping be used to identify or convict a suspect?arrow_forward
- Create a dialogue between two person on why animal testing should be banned. Be creative in making it. Thank youarrow_forwardThe technique that Rosalind Franklin used to take images of DNA is called NMR. O a. False O b. Truearrow_forwardIs it easier to exclude a suspect in a criminal case on the basis of DNA evidence, or it is easier to convict a suspect? Why is this the situation? When analyzing the DNA in a blood sample from the crime scene, why was it important that there were white blood cells in the sample, rather than having only red blood cells?arrow_forward
- 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?arrow_forwardSuppose one of two identical commits a crime and only DNA, Fingerprints, and an Eyewitness account are evidence in the case. Which of the following evidence can actually be useful?arrow_forwardQ7 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?arrow_forward
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