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, Problem 3QSDC
A large amount of research is aimed at studying mutation. However, there is not an infinite amount of research money. Where would you put your money for mutation research?
A. Testing of potential mutagens
B. Investigating molecular effects of mutagens
C. Investigating DNA repair mechanisms
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Students have asked these similar questions
Why would a scientist wish to induce mutations?
a.
to increase the number of mutated phenotypes
b.
to create mutations in specific genes
c.
to test for carcinogen activity
d.
to create tumors for cancer research
e.
because she was crazier than a mutated bedbug
Which type of mutation produces the same protein despite a change in the DNA?
A. nonsense
B. missense
C. silent
D. frameshift
Are mutations harmful?a. Yes, because the DNA is damaged.b. No, because changes in the DNA result in better alleles.c. Yes, because mutated proteins don’t function.d. It depends on how the mutation affects the protein’s function.
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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Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, biology and related others by exploring similar questions and additional content below.Similar questions
- Using specific examples that have happened in your lifetime, distinguish between a spontaneous mutation and one that is the result of exposure to a substance or radiation.arrow_forwardA student wants to observe how the environment of bacteria affects gene expression. How should the experiment be designed? A. exposing the same species of bacteria to the same carbohydrates in each sample B. exposing the same species of bacteria to different carbohydrates in each sample C. exposing different species of bacteria to the same carbohydrates in each sample D. exposing different species of bacteria to different carbohydrates in each samplearrow_forwarda mutation in dna that adds +1 ot -1 nucleotide or +2 or -2 nucleotides is called a______? (choose one answer only) A. frameshift mutation B. silent mutation C. nonsense mutation D. missense mutationarrow_forward
- Which among the following statements is not true about mutations? * a.) It may either occur at the chromosomes or at the sequence of nucleic acids. b.) It is caused either by mutagens or through hereditary genes. c.) All mutations cause diseases and disorders in the developing organism. d.) All mutations causes a change in the structure or sequence of the genetic material.arrow_forwardIs a random mutation more likely to be beneficial or harmful?Explain your answer.arrow_forwardExplain how a mutagen can interfere with DNA replication to cause a mutation. Give two examples.arrow_forward
- The word mutation is generally considered to be negative. However, is there a positive side to mutations? Briefly explain your answer.arrow_forwardBase analogs are mutagenic because of which characteristic? a. They produce changes in DNA polymerase that cause it to malfunction. b. They distort the structure of DNA. c. They are similar in structure to the normal bases. d. They chemically modify the normal bases.arrow_forwardWhich technique allows a researcher to change a single specific nucleotide in a gene sequence in vitro? a. The CRISPR-Cas9 system b. PCR-based random mutagenesis c. PCR-based site-specific mutagenesis d. RT-PCRarrow_forward
- A physicist name Dr Robert Bruce Banner was running some experiments in his lab using gamma rays. During the experiment he accidentally exploded an experimental bomb and was exposed to a huge amount of gamma rays. After that he experienced several effects of mutations. a. Explain how gamma rays could affect Dr. Banner DNA. b. Explain how DNA affected by gamma rays could be repaired in order to avoid mutations. c. What you expected to happen with Dr Banner? Is it likely that Dr Banner would develop super strength, or other super powers?arrow_forwardWhich best shows a harmful effect of a mutation?arrow_forward_____ is a change in the order of one nucleotide in a section of a DNA molecule. a Point mutation b Spontaneous mutation c Somatic mutation d Germ mutationarrow_forward
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