Genetics: Analysis and Principles
6th Edition
ISBN: 9781259616020
Author: Robert J. Brooker Professor Dr.
Publisher: McGraw-Hill Education
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Chapter 21, Problem 6EQ
Summary Introduction
To review:
The recombinant vector as well asits construction and detection using X-Gal (5-bromo-4-chloro-3-indolyl-beta-d-galactoside).
Introduction:
The production of several copies of agene within a foreign vector is called gene cloning. This involves the incorporation of the gene into the DNA (deoxyribonucleic acid) of the host cell. This gene is then replicated within the host cell using the polymerase enzyme.
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Chapter 21 Solutions
Genetics: Analysis and Principles
Ch. 21.1 - 1. Which of the following may be used as a vector...Ch. 21.1 - The restriction enzymes used in gene-cloning...Ch. 21.1 - 3. Which is the proper order of the following...Ch. 21.1 - 4. The function of reverse transcriptase is...Ch. 21.1 - A collection of recombinant vectors that carry...Ch. 21.2 - Prob. 1COMQCh. 21.2 - Prob. 2COMQCh. 21.2 - 3. During real-time PCR, the synthesis of PCR...Ch. 21.3 - When a dideoxyribonucleotide is incorporated into...Ch. 21.4 - 1. The purpose of site-directed mutagenesis and...
Ch. 21.5 - Which of the following methods use(s) a labeled...Ch. 21.5 - 2. Which of the following methods is used to...Ch. 21.5 - During Western blotting, the primary antibody...Ch. 21.6 - 1. In an EMSA, the binding of a protein to...Ch. 21.6 - The basis for DNase I footprinting is that the...Ch. 21 - Discuss three important advances that have...Ch. 21 - Prob. 2CONQCh. 21 - Write a double-stranded DNA sequence that is 20...Ch. 21 - What is cDNA? In eukaryotes, how does cDNA differ...Ch. 21 - 5. Draw the structural feature of a...Ch. 21 - Prob. 1EQCh. 21 - Prob. 2EQCh. 21 - Describe the important features of cloning...Ch. 21 - 4. How does gene cloning produce many copies of a...Ch. 21 - Prob. 5EQCh. 21 - Prob. 6EQCh. 21 - Prob. 7EQCh. 21 - Prob. 8EQCh. 21 - Prob. 9EQCh. 21 - Starting with a sample of RNA that contains the...Ch. 21 - 11. What type of probe is used for real-time PCR?...Ch. 21 - 12. What phase of PCR (exponential, linear, or...Ch. 21 - 13. DNA sequencing can help us to identify...Ch. 21 - A sample of DNA was subjected to automated DNA...Ch. 21 - Prob. 15EQCh. 21 - Prob. 16EQCh. 21 - Prob. 17EQCh. 21 - Prob. 18EQCh. 21 - Prob. 19EQCh. 21 - What is the purpose of a Northern blotting...Ch. 21 - Prob. 21EQCh. 21 - Prob. 22EQCh. 21 - 23. In the Western blot shown here, proteins were...Ch. 21 - If you wanted to know if a protein was made during...Ch. 21 - Prob. 25EQCh. 21 - Prob. 26EQCh. 21 - Prob. 27EQCh. 21 - 28. Describe the rationale behind the...Ch. 21 - Certain hormones, such as epinephrine, can...Ch. 21 - An electrophoretic mobility shift assay can be...Ch. 21 - Prob. 31EQCh. 21 - Prob. 32EQCh. 21 - Prob. 33EQCh. 21 - Prob. 1QSDC
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- List three rules for designing primers?arrow_forwardWhat is homologous recombination and where/when does it typically take place in an organism. Homologous recombination is also used experimentally during gene targeting. If you wanted to remove the function of the mouse gene fibroblast growth factor 4 (FGF4) using gene targeting by homologous recombination, what are the different aspects of a targeting vector you would need to make?arrow_forwardA closed circular plasmid B-DNA (10.5 bp/turn) consists of 231 base pairs and has Wr= -1 (ccDNAa). Then a topoisomerace acts upon ccDNAa leading to strain relaxation caused by supercoiling, thus, a topoisomere ccDNAb is formed. Finally, EtBr (Ethidium bromide) intercalator is added leading to ccDNAc which has 11bp/turn. a) Calculate superhelical densities σa, σb, σc of the three plasmids ccDNAa, ccDNAb and ccDNAc, respectively. b) Which of the three topoisomeres will move faster in agarose gel electrophoresis and why?arrow_forward
- Four E. coli strains of genotype a+ b- are labeled 1, 2, 3, and 4. Four strains of genotype a- b+ are labeled 5, 6, 7, and 8. The two genotypes are mixed in all possible combinations and (after incubation) are plated to determine the frequency of a+ b+ recombinants. The following results are obtained, where M = many recombinants, L = low numbers of recombinants, and 0 = no recombinants:On the basis of these results, assign a sex type (either Hfr, F+, or F-) to each strain.arrow_forwardWhat does the term recombination mean? What are two causes of recombination?arrow_forwardWith regard to the repair of double-strand breaks, what are the advantages and disadvantages of homologous recombination repair (HRR) versus nonhomologous end joining (NHEJ)?arrow_forward
- What are the consequences for a DNA sequencing reaction if the ratio of dideoxyribonucleoside triphosphates to deoxyribonucleoside triphosphates is increased? What happens if this ratio is decreased?arrow_forwardHow can the concept of recombination frequency be used in genetic mapping?arrow_forwardBased on the electrophoresis experiment, 0.7% agarose gel concentration was used. If the gel concentration increased to 1%, what would happen to the DNA migration? Explain briefly.arrow_forward
- Eukaryotic cells can repair DNA through a process called homologous recombination. What type of DNA damage can be fixed through homologous recombination?arrow_forwardThe presence (+) or absence (−) of six sequences in each of five bacterial artificial chromosome (BAC) clones (A–E) is indicated in the following table. Using these markers, put the BAC clones in their correct order and indicate the locations of the numbered sequences within them.arrow_forwardIn each of the illustrations below, a segment of a chromosome has two copies of a transposable element. In panel a, they are oriented in the same direction, whereas in panel b they are in opposite directions. A double strand break occurs in element A and is repaired by homologous recombination using element B as a repair template. For each case, what will the chromosome look like after homologous recombination occurs? Choose one of the five options below, 1-5.arrow_forward
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