Genetics: Analysis and Principles
6th Edition
ISBN: 9781259616020
Author: Robert J. Brooker Professor Dr.
Publisher: McGraw-Hill Education
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Textbook Question
Chapter 20.3, Problem 1COMQ
Which of the following types of transposable elements rely on an RNA intermediate for transposition?
a. Insertion elements
b. Simple transposons
c. Retrotransposons
d. All of the above
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What type of mutation causes the "mutant" variety of the PTC gene?
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Chapter 20 Solutions
Genetics: Analysis and Principles
Ch. 20.1 - 1. Homologous recombination refers to the exchange...Ch. 20.1 - During the molecular process of homologous...Ch. 20.1 - 3. A key difference between the original Holliday...Ch. 20.1 - Which of the following mechanisms can cause gene...Ch. 20.2 - 1. During site-specific recombination that occurs...Ch. 20.2 - Prob. 2COMQCh. 20.3 - Which of the following types of transposable...Ch. 20.3 - Prob. 2COMQCh. 20.3 - Prob. 3COMQCh. 20 - 1. Describe the similarities and differences...
Ch. 20 - Prob. 2CONQCh. 20 - 3. Which steps in the double-strand break model...Ch. 20 - Prob. 4CONQCh. 20 - Prob. 5CONQCh. 20 - Prob. 6CONQCh. 20 - Prob. 7CONQCh. 20 - 8. What is gene conversion?
Ch. 20 - Make a list of the differences between the...Ch. 20 - Prob. 10CONQCh. 20 - Prob. 11CONQCh. 20 - 12. According to the double-strand break model,...Ch. 20 - What type of DNA structure is recognized by RecG...Ch. 20 - Briefly describe three ways that antibody...Ch. 20 - 15. Describe the functions of the RAG1 and RAG2...Ch. 20 - According to the scenario shown in Figure 20.7,...Ch. 20 - Prob. 17CONQCh. 20 - Prob. 18CONQCh. 20 - 19. Why does transposition always produce direct...Ch. 20 - 20. Which types of TEs have the greatest potential...Ch. 20 - Prob. 21CONQCh. 20 - 22. Let’s suppose that a species of mosquito has...Ch. 20 - This chapter describes different types of TEs,...Ch. 20 - Prob. 24CONQCh. 20 - Prob. 25CONQCh. 20 - 26. What is the difference between an autonomous...Ch. 20 - 1. Briefly explain how McClintock determined that...Ch. 20 - The work of McClintock showed that the presence of...Ch. 20 - 3. In your own words, explain the term transposon...Ch. 20 - Prob. 4EQCh. 20 - 5. Gerald Rubin and Allan Spradling devised a...Ch. 20 - Make a list of the similarities and differences...Ch. 20 - Prob. 2QSDCCh. 20 - Prob. 3QSDC
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- Tautomerization: A. Causes frameshift insertions B. Causes frameshift deletions C. Results in permanent chemical changes in nitrogenous bases D. Cause transition mutations E. Cause transversion mutationsarrow_forwardWhich of the following is true of reverse transcriptase?a. It is required for the movement of DNA transposons.b. It catalyzes the synthesis of DNA from RNA.c. It is required for the transposition of retrotransposons.d. b and c are correct.arrow_forwardWhich of the following is a function of a restriction endonuclease? a. It cleaves a DNA molecule at a specific site. b. It cleaves a DNA molecule at random locations. c. It removes specific codons from an mRNA molecule. d. It removes specific exons from an mRNA molecule.arrow_forward
- The effects of transposons can includeA. disruption of gene expression.B. prevention of gene expression.C. occurrence of inversions.D. occurrence of deletions.E. all of the abovearrow_forwardWhich type of mutation would expect would have no effect on a protein coding gene in eukaryotes? a.a single base substitution that creates a splice site mutation b.a single base substitution that creates a synonymous mutation c.a single base deletion that creates a frameshift near the 3' end of the open reading frame d.a single base substitution that creates a non-conservative missense mutation e.a single base substitution that creates a conservative missense mutationarrow_forwardWith regard to transcriptional termination in eukaryotes, which model suggests that RNA polymerase is physically removed from the DNA? a. Allosteric model b. Torpedo model c. Both models d. Neither modelarrow_forward
- What is a transposon? Explain why the insertion of a transposon into the DNA of a cell can lead to a mutationarrow_forwardOriginal strand: G G G C T A G G G C C A A , Mutant strand: G G G G C T A G G G C C A A . What type of mutation? * A. Insertion B. Deletion C. Substitution D. Nonsense A base substitution that causes regular codon to change into another codon that codes for different amino acids is said to be; * A. missense mutations B. nonsense mutations C. silent mutations D. no correct response Mutagenic agents that can cause cancers are known specifically as; * A. mutagens B. carcinogens C. chemicals D. no correct response The process of copying a gene's DNA sequence into a sequence of RNA is called_____. * A. replication B. transcription C. translation D. PCR Which of the following…arrow_forwarda. The reading frame DNA sequence is b. The mRNA sequence is c. The polypeptide sequence is a.The mutated polypeptide sequence is b.What kind of mutation was produced?arrow_forward
- The enzyme that removes RNA primers attached by Primase is?arrow_forwardWhich of the following types of transposable elements rely onan RNA intermediate for transposition?a. Insertion elementsb. Simple transposonsc. Retrotransposonsd. All of the abovearrow_forwardGive two DIFFERENT examples of how the following can occur:a. A point mutation in an exon that is silent.b. A point mutation in an exon that is NOT silent.c. A point mutation in an intron that is NOT silent.d. A point mutation in a promoter that is NOT silent.arrow_forward
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