Which of the following statements is/are true? Choose only the best answer. Repetitive DNA can influence the appearance of an organism. Simple sequence DNA, transposable elements, and large-segment duplications are examples of repetitive DNA. Repetitive DNA can be useful in genetic profiling. All three of the other statements are true.

Which of the following statements is/are true? Choose only the best answer. Repetitive DNA can influence the appearance of an organism. Simple sequence DNA, transposable elements, and large-segment duplications are examples of repetitive DNA. Repetitive DNA can be useful in genetic profiling. All three of the other statements are true.

Human Heredity: Principles and Issues (MindTap Course List)

11th Edition

ISBN:9781305251052

Author:Michael Cummings

Publisher:Michael Cummings

Chapter15: Genomes And Genomics

Section: Chapter Questions

Problem 6QP: Which of the following best describes the process of DNA sequencing? a. DNA is separated on a gel,...

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Select the statement below that is FALSE regarding DNA and DNA Fingerprinting: Select an answer and submit. For keyboard navigation, use the up/down arrow keys to select an answer. DNA fingerprints can be used to link remains to a particular person. a b Restriction enzymes cut molecules into fragments of identical lengths. Restriction enzymes cut molecules of DNA into a unique set of fragment length determined by the genetic code. d Subunits of DNA are called bases and include (adenine/guanine/ cytosine/ and thymine)
Listed below are 4 of the 13 genome sites used to create a standard DNA profile. Each site consists of a number of short tandem repeats: sets of 4 nucleotides repeated in a row within the genome. For each site, the number of repeats found at that site for this individual are listed: Imagine you perform a PCR procedure to create a DNA profile for this individual. Which of the following four gels correctly represents the DNA profile of this person?
1 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…
Which of the following is/are true regarding a PCR reaction performed to amplify a DNA plasmid? There may be more than one correct answer; select all that apply. Two primers are needed to facilitate double stranded DNA extension. Denaturation, when the primers bind to the DNA template, is performed at the highest temperature. Extension is the step when the polymerase catalyzes nucleotide incorporation during polymerization. ATP, UTP, GTP, and CTP are all required for polymerization.
The phenomena of somatic mosaicism and chimerism are more prevalent than most people realize. For example, pregnancy and bone marrow transplantation may lead to a person’s genome becoming a mixture of two different genomes. Describe how DNA forensic analysis may be affected by chimerism and what measures could be used to mitigate any confusion during DNA profiling. Find out more about genetic chimerism in an article by Zimmer, C., DNA double take, New York Times, September 16, 2013.
Which of the following is not true about microarrays? Group of answer choices A microarray is a glass slide with single-stranded DNA attached to it. A microarray is covered in spots, where each spot represents a different sequence that will be assessed in the experiment. A microarray can assess hundreds of thousands of variants simultaneously. The same microarray slide can be used either for DNA microarrays or RNA microarrays
All of the following are examples of materials that are bound by your purifying medium during the DNA extraction process, except: O endoplasmic reticulum extraneous DNA O Calcium (Ca2+) O Iron (Fe2+) O Magnesium (Mg2+) O lipid membranes
Which of the following is/are true of DNA general recombination? The process involves invasion of a single-stranded DNA with a free 3'-end into a DNA duplex with the same sequence (on one strand) The process involves formation and resolution of a Holliday structure. The process involves use of a restriction endonuclease. The process involves synthesis of DNA by DNA polymerase.
a. DNA fingerprinting is a method of visualizing similarities and differences in the DNA sequence of individuals. Arrange the following items so that they show the DNA fingerprinting steps in proper order: - Gel electrophoresis - Stain or probe for DNA - cut DNA into fragments - Amplify DNA sample using PCR b. On the gel shown below are four DNA samples. Samples A to C are taken from tissues of landslide victims that are being identified, while sample D came from a hair sample brought by a mother looking for the remains of her son. (see img) i. If similar band patterns in a gel are created using the same restriction enzyme, what does that tell you about the DNA sequence of the samples? ii. In sample C, only two fragments were created. How many restriction sites (regions where enzymes cut) are present in sample C?
K What is an example of positive feedback? sweating when you are hot increased respiration during exercise decreased blood glucose levels when insulin is released maintenance of blood pH levels labour contractions during birth
For what purposes is DNA extraction done? (give at least 3 purposes for which you may need to extract DNA)
Briefly describe the procedure of AluQuant human DNA quantitation system. Explain why it is important to quantify DNA from the viewpoint of DNA profiling.