Genetic Analysis: An Integrated Approach (3rd Edition)
3rd Edition
ISBN: 9780134605173
Author: Mark F. Sanders, John L. Bowman
Publisher: PEARSON
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Chapter 11, Problem 23P
The fluctuation test performed by Luria and Delbrück is consistent with the random mutation hypothesis. Briefly describe their experiment and identify how the results match the prediction of the random mutation hypothesis. What would have to be different about the experimental results for them to agree with the prediction of the adaptive mutation hypothesis?
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Chapter 11 Solutions
Genetic Analysis: An Integrated Approach (3rd Edition)
Ch. 11 - 11.1 Identify two general ways chemical mutagens...Ch. 11 - 11.2 Nitrous acid and (BU) alter DNA by different...Ch. 11 - 11.3 What is the difference between a transition...Ch. 11 - What is the difference between a synonymous...Ch. 11 - 11.5 UV irradiation causes damage to bacterial...Ch. 11 - Ultraviolet (UV) radiation is mutagenic.
What...Ch. 11 - Researchers interested in studying mutation and...Ch. 11 - The effect of base - pair substitution mutations...Ch. 11 - Describe the purpose of the Ames test. How are...Ch. 11 - 11.10 In numerous population studies of...
Ch. 11 - 11.11 Two different mutations are identified in a...Ch. 11 - What is the phenotype effect of inserting a Ds...Ch. 11 - 11.13 Answer the following questions concerning...Ch. 11 - Several types of mutation are identified and...Ch. 11 - 11.15 A sample of the bacterium is exposed to...Ch. 11 - 11.16 A strain of is identified as having a null...Ch. 11 - Describe the difference between DNA transposons...Ch. 11 - 11.18 How are flanking direct repeat sequences...Ch. 11 - 11.19 Using the adeninethymine base pair in this...Ch. 11 - The partial amino acid sequence of a wild-type...Ch. 11 - Prob. 21PCh. 11 - 11.22 Many human genes are known to have homologs...Ch. 11 - The fluctuation test performed by Luria and...Ch. 11 - In this chapter, three features of genes or of DNA...Ch. 11 - Briefly compare the production of DNA double -...Ch. 11 - During mismatch repair, why is it necessary to...Ch. 11 - 11.27 Following the spill of a mixture of...Ch. 11 - 11.28 In an Ames test using Salmonella bacteria a...Ch. 11 - A wild - type culture of haploid yeast is exposed...Ch. 11 - A fragment of a wild - type polypeptide is...Ch. 11 - Prob. 31PCh. 11 - Alkaptonuria is a human autosomal recessive...Ch. 11 - 11.33 In an experiment employing the methods of...Ch. 11 - Using your knowledge of DNA repair pathways choose...Ch. 11 - 11.35 Ataxia telangiectasia is a human inherited...Ch. 11 - A geneticist searching for mutations uses the...Ch. 11 - 11.37 In a mousebreeding experiment a new mutation...Ch. 11 - 11.38 Considering the Dumbo mutation in a Problem,...Ch. 11 - 11.39 Thinking back to the discussion of...Ch. 11 - 11.40 Common baker’s yeast () is normally grown at...Ch. 11 - 11.41 The two gels illustrated below contain...
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- Two types of mutations discussed in this chapter are (1) nucleotide changes and (2) unstable genome regions that undergo dynamic changes. Describe each type of mutation.arrow_forwardFrom the figure (specifically the slope of the imaginary trend line), what is the general relationship between mutation rate and genome size?arrow_forwardwhich of the following statements about genome-wide association studies (GWAS) is correct? A) involves scanning the genomes of thousands of unrelated individuals with a particular mutation and comparing them with the genomes of individuals who do not have the mutation. B) involves scanning the genomes of thousands of unrelated individuals with a particular disease and comparing them with the genomes of individuals who do not have the disease C) attempt to identify genes that influence mutation risk D) attempt to identify genes that influence disease risk E) involves scanning the genomes of thousands of unrelated individuals with a particular disease and comparing them with the genomes of individuals who do not have the disease and GWAS attempt to identify genes that influence disease riskarrow_forward
- In conventional PCR applications, a heat-resistant polymerase is used. Why? You want to identify and compare the gene expression profile of several genes in a disease. Will you be able achieve this using Q-PCR technique? Can you identify a potential mutation (the nucleotide change) within a gene sequence using conventional PCR? If not, then what approach you should take?arrow_forwardWhat is transformation? Describe Grifith’s experiment to show transformation? What did he prove from his experiment?arrow_forwardThe accompanying photo shows a sequencing gel from the original study that first sequenced the cystic fibrosis gene (J. R. Riordan et al. 1989. Science 245:1066–1073). From the photo, determine the sequence of the normal copy of the gene and the sequence of the mutated copy of the gene. Identify the location of the mutation that causes cystic fibrosis. (Hint: The CF mutation is a 3-bp deletion.)arrow_forward
- What are the types of transposons? Please explain in detail how transposons contribute to genome evolution.arrow_forwardYou have sequenced a few individuals in the population and found out that there are only two alleles in the population: one is GGGTCC and the other GGGTAC. You also knew that the DNA sequence encodes two amino acid residues. The mutation responsible for the difference is an insertion mutation a transition mutation nonsynonymous mutation a neutral mutation a silent mutationarrow_forwardWith the information that a Wright- Fisher population have a size of 10,000 and assume that mutation rate is 2.5x10-8 per site per generation. What is the probability of difference between the two sequences that were randomly taken from the population? Show all working and explanation.arrow_forward
- Distinguish between a point mutation and a frameshiftmutation.arrow_forwardAs discussed, the overall rate of mutations in humans is estimated to be about 1 × 10−8 mutations per base pair per generation. How many new mutations would you expect each person to carry, on average, based on this mutation rate? Other studies have estimated that each person carries about 100 new loss-of-function mutations. How does this number compare with your estimate of the number of mutations based on the mutation rate? What might account for any differences?arrow_forwardWhen an Avidian (with a genome size of 50 sites) reproduces with a 10% per site mutation rate, and if the number of mutations per genome is Poisson distributed, then what is the most likely outcome? Possible answers: 4 per genome is most likely, 5 per genome is most likely, 4 mutations per genome and 5 mutations per genome are equally likely, A number other than 4 and/or 5 mutations per genome is most likelyarrow_forward
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