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 2EG
Summary Introduction
To determine: Whether the cell samples that are used for the preparation of DNA profiles need to be destroyed after six months in the United States and other countries or not.
Introduction: The DNA profiles can be used as important tools for identification. Shorter
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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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- DNA EXTRACTION Materials: knife 1 cup of fruit Table salt clean piece of cloth or strainer for filtering resealable bag dishwashing liquid 70% rubbing alcohol (chilled) shot glass (or any transparent and narrow container resembling a test tube) How to do the extraction: Before you begin, make sure you have chilled your alcohol in the freezer for at least 3 hours. Room temperature alcohol will not work nearly as well as cold alcohol. Place about 50 mL of alcohol in the freezer to chill it and take it out only when you’re going to need it. (The alcohol will not actually freeze.) 1. The first thing you will need is a sample. Since DNA is found in all living…arrow_forwardthe hurdles that must be cleared before a new DNA profiling methodology can be used is.... A laboratory must demonstrate that it has achieved an error rate of zero with the methodology using samples that mimic those it encounters in casework. A lab needs to develop standard operating procedures and proficiency tests for its analysts. The technique must also be approved by an independent accrediting agency. A lab needs to invest in equipment, validation, the development of standard operating procedures, and training. The technique must also be determined to be admissible after Frye and Daubert hearings. Scientists working in an academic setting must first prepare the methodology for use in crime laboratories by developing test kits. Labs must then independently validate commercially available kits. Private crime laboratories can use new methodologies at any time but state/public crime laboratories must…arrow_forward1 2 Today's technology has made it easier to quickly and accurately generate DNA profiles. In this part of the activity, you will model the process yourself to solve a crime. Good luck, detective! Crime Report: A thief has stolen a priceless collection of jewels from the Museum of Precious Jewels. Forensic technicians obtained skin cells from a forehead print left on the glass enclosure of the jewel exhibit. DNA has been isolated and PCR amplified for some of the standard STR loci. A partial genetic profile generated from the collected DNA is shown in Figure 5. 10 50 DNA Profile from Forehead Print Number of base pairs 00 50 40 D58818 075830 I 16 MU DES1179 Shandand (10) 70 CSF1PO DITS820 80 100 Figure 5. The DNA profile of the forehead print from the scene of the crime. Each colored line shows the alleles for one of four of the core CODIS STR loci (D5S818, CSF1PO, D7S820, D8S1179). and data for the four STR loci that were included in the A suspect was identified in the case. Her DNA…arrow_forward
- When a DNA sample is subjected to sequencing, the two strands must be separated. True Falsearrow_forwardSince July 2000, Canada has had a DNA bank for criminals. Certain countries are even considering expanding the program to collect DNA from all their citizens and citizens. Identify the advantages and disadvantages of such a project. Benefits : Disadvantages:arrow_forwardWhich of the following criteria do you feel is the most important one to optimize for a DNA profiling methods? Speed Discriminating power Sensitivity Cost False Positive Ratearrow_forward
- sample containing at least one molecule of DNA serves as the starting material for PCR. True Falsearrow_forwardThe following gel shows the results of a crime scene investigation. Lane 1 shows a DNA sample that was obtained from the scene of a crime (there was evidence of the criminal cutting himself, so it's the criminal's blood sample that produced the DNA bands in lane 1). Lanes 2-7 shows a DNA sample from six potential suspects held in connection with the crime. Arrange the bands labeled A, B, C, D from largest to smallest. 1 2 3 4 5 6 7 OC, A, D, B A, B, C, D OB, D, A, C O D, A, C, Barrow_forwardDiscuss the uses of PCR and RT-PCR in human identity (e.g. paternity, forensics or criminal cases) as well as in viral or bacterial DNA/RNA analysis (i.e. Identification of SARS-COV-2 RNA coronavirus using RT-PCR).arrow_forward
- What are some examples of ethical questions raised by the medicaluse of DNA technology?arrow_forwardPCR technique is based on DNA transcription. True Falsearrow_forwardBriefly explain the functions of the four procedures you learned about in this lab: DNA extraction PCR Gel electrophoresis DNA sequencing and analysisarrow_forward
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