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 19.1, Problem 1COMQ
A mutation changes a codon that specifies tyrosine into a stop codon. This type of mutation is a
a. missense mutation.
b. nonsense mutation.
c. frameshift mutation.
d. neutral mutation.
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A mutation changes a codon that specifies tyrosine into a stopcodon. This type of mutation is aa. missense mutation.b. nonsense mutation.c. frameshift mutation.d. neutral mutation.
The change of a UAC codon (Tyr) to a UAG codon (Stop) is an example of a:
A.
nonsense mutation
B.
frameshift mutation
C.
silent mutation
D.
missense mutation
A SNV mutation that results in an early stop codon is called:
A. silent mutation
B. silencing mutation
C. missense mutation
D. nonsense mutation
E. frameshift mutation
Chapter 19 Solutions
Genetics: Analysis and Principles
Ch. 19.1 - 1. A mutation changes a codon that specifies...Ch. 19.1 - A down promoter mutation causes the promoter of a...Ch. 19.1 - 3. A mutation in one gene that reverses the...Ch. 19.1 - Which of the following is an example of a somatic...Ch. 19.2 - Prob. 1COMQCh. 19.3 - Which of the following is not an example of a...Ch. 19.3 - A point mutation could be caused by a....Ch. 19.3 - One way that TNRE may occur involves the formation...Ch. 19.4 - Nitrous acid replaces amino groups with keto...Ch. 19.4 - Prob. 2COMQ
Ch. 19.4 - Prob. 3COMQCh. 19.5 - The function of photolyase is to repair a....Ch. 19.5 - Which of the following DNA repair systems may...Ch. 19.5 - 3. In nucleotide excision repair in E. coli, the...Ch. 19.5 - Prob. 4COMQCh. 19.5 - An advantage of translesion-replicating...Ch. 19 - Is each of the following mutations a transition,...Ch. 19 - Prob. 2CONQCh. 19 - What does a suppressor mutation suppress? What is...Ch. 19 - Prob. 4CONQCh. 19 - X-rays strike a chromosome in a living cell and...Ch. 19 - Prob. 6CONQCh. 19 - Prob. 7CONQCh. 19 - 8. A point mutation occurs in the middle of the...Ch. 19 - Prob. 9CONQCh. 19 - Prob. 10CONQCh. 19 - 11. Is a random mutation more likely to be...Ch. 19 - 12. Which of the following mutations could be...Ch. 19 - Prob. 13CONQCh. 19 - Discuss the consequences of a germ-line versus a...Ch. 19 - Prob. 15CONQCh. 19 - Explain how a mutagen can interfere with DNA...Ch. 19 - What type of mutation (transition, transversion,...Ch. 19 - Explain what happens to the sequence of DNA during...Ch. 19 - Distinguish between spontaneous and induced...Ch. 19 - Prob. 20CONQCh. 19 - Prob. 21CONQCh. 19 - Prob. 22CONQCh. 19 - Trinucleotide repeat expansions (TNREs) are...Ch. 19 - 24. With regard to TNRE, what is meant by the term...Ch. 19 - 25. What is the difference between the mutation...Ch. 19 - Achondroplasia is a rare form of dwarfism. It is...Ch. 19 - Prob. 27CONQCh. 19 - In the treatment of cancer, the basis for many...Ch. 19 - Prob. 29CONQCh. 19 - 30. Which of the following examples is likely to...Ch. 19 - Prob. 31CONQCh. 19 - Prob. 32CONQCh. 19 - Prob. 33CONQCh. 19 - With regard to the repair of double-strand breaks,...Ch. 19 - Prob. 35CONQCh. 19 - Prob. 36CONQCh. 19 - 37. Three common ways to repair changes in DNA...Ch. 19 - Prob. 38CONQCh. 19 - Prob. 39CONQCh. 19 - Explain how the technique of replica plating...Ch. 19 - 2. Outline how you would use the technique of...Ch. 19 - 3. From an experimental point of view, is it...Ch. 19 - Prob. 4EQCh. 19 - Prob. 5EQCh. 19 - 6. Richard Boyce and Paul Howard-Flanders...Ch. 19 - In E. coli, a variety of mutator strains have been...Ch. 19 - 2. Discuss the times in a person’s life when it is...Ch. 19 - A large amount of research is aimed at studying...
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- The change of a UAC codon (Tyr) to a UAU codon (Tyr) is an example of a: A. missense mutation B. silent mutation C. frameshift mutation D. nonsense mutationarrow_forwardWhich of the following mutations is NOT a point mutation? A. Missense mutation B. Insertion mutation C. Nonsense mutation D. Silent mutationarrow_forwardA nonsense mutation Select one: a. results in a larger protein being produced from the mutated gene b. will lead to premature termination of translation c. is the same as a silent mutation d. will lead to the premature termination of transcriptionarrow_forward
- A SNV mutation that results in no change in the amino acid sequence is called: A. silent mutation B. silencing mutation C. missense mutation D. nonsense mutation E. frameshift mutationarrow_forwardWhich of the following terms refer to the case when a mutation results in a significant decrease or a complete loss of the functional activity of a gene product? a. gain-of-function mutation b. loss-of-function mutationarrow_forwardWhich of the following mutations is likely to be the least harmful? A. A +1 frameshift mutation B. A +3 frameshift mutation C. A - 5 frameshift mutation D. A -1 frameshift mutation E. A point mutation in the first position of the codonarrow_forward
- A mutation occurs that alters the third base in an mRNA codon from a C to a G. This mutation is most likely a A. frameshift mutation B. missense mutation C. nonsense mutation D. silent mutationarrow_forwardWhich type of point mutation does not affect the resulting protein? a deletion b missense mutation c silent mutation d nonsense mutationarrow_forwardA codon is supposed to be 5'-UGG-3', but a mutation causes it be 5'-UAG-3'. Which one of the following descriptions of this mutation is incorrect? a. Missense b. Point mutation c. Transition d. Nonsensearrow_forward
- How would each of the following types of mutations affect proteinfunction or the amount of functional protein that is expressed froma gene?A. Nonsense mutationB. Missense mutationC. Up promoter mutationD. Mutation that affects splicingarrow_forwardA codon is: a. An alternative name for gene b. Three amino acids that encode a nucleotide c. Three nucleotides that encode an amino acid d. One of three nucleotides that encode and amino acidarrow_forwardA missense mutation is a mutation in which: a. one nucleotide in a codon is changed, but the codon specifies the same amino acid b. a codon is deleted from a gene C. one nucleotide in a codon is changed, and the codon now specifies a different amino acid d. one nucleotide in a codon is changed, and the codon is now a stop codon rather than specifying an amino acid е. a truncated protein is produced by translationarrow_forward
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