Genetic Analysis: An Integrated Approach (3rd Edition)
3rd Edition
ISBN: 9780134605173
Author: Mark F. Sanders, John L. Bowman
Publisher: PEARSON
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Textbook Question
Chapter 11, Problem 10P
In numerous population studies of spontaneous mutation, two observations are made consistently:
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Consider the following estimates:(a) There are 7 x 109 humans living on this planet.(b) Each individual has about 20,000 (0.2 * 105) genes.(c) The average mutation rate at each locus is 10-5.How many spontaneous mutations are currently present inthe human population? Assuming that these mutations areequally distributed among all genes, how many new mutationshave arisen in each gene in the human population?
A neutral mutation arises in a diploid population of 10,000 individuals. Use this information to answer the following questions.
a)
What is the probability that the neutral allele goes to fixation?
b)
Assuming that the neutral mutation eventually goes to fixation, what is the expected time to fixation (in generations)?
Which type of mutation doesnt affect the ability of an organism to pass on its alleles to the next generation?
a) beneficial mutation
b) positve mutation
c) deleterious mutation
d) neutral mutation
I have also attached a question down below. Please let me know if there is are any mistakes as I have a test tomorrow
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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- What is the key component(s) of usher syndrome.A) The Effect of mutation and Hot-spots of mutation?B) What happens when things go wrong?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_forwardHow many different explanations can you think of for the observation that the rate of mutation varies across the genome? How would you weigh up evidence for these different ideas to decide which ones have the most explanatory power?arrow_forward
- Forward Genetics Analysis uses a variety of beneficial approaches to identify never before described genes. For each of the following approaches or outcomes, briefly (maximum 2 sentences) discuss in your own words, their purpose in Forward Genetics Analysis. c) Mendelian ratios d) Genetic screenarrow_forwardFor three years, Gunther Schlager and Margaret Dickie estimated theforward and reverse mutation rates for five loci in mice that encodevarious aspects of coat color by examining more than 5 million mice forspontaneous mutations (G. Schlager and M. M. Dickie. 1966. Science151:205–206). They detected the following numbers of mutations at thedilute locus: Gametes examined Mutations detectedForwardmutations 260,675 5Reversemutations 583,360 2 Calculate the forward and reverse mutation rates at this locus. If thesemutations rates are representative of rates in natural populations of mice,what would the expected equilibrium frequency of dilute mutations be?arrow_forwardThe table below shows different types of mutations in different positions in four genes. Choose the letter (A to E), from the drop-down menu, that represents the most likely type of protein that will be produced from each of these mutated genes. A: completely normal protein B: functional protein with ONE amino acid different from normal C: non-functional protein with ONE amino acid different from normal D: non-functional protein with MANY amino acids different from normal E: no protein at all Answer Type of mutation Position of mutation in gene (A, B, C, D, or E) before the part of the gene that specifies the active site of the enzyme 2 base pair insertion Inonsense immediately before the stop codon in the part of the gene that specifies the active site of the enzyme silent 1 base pair insertion in an intronarrow_forward
- I have seen that this was answered as C, Why is the answer C, how is that not evidence of it being genetic? Shouldnt it be none of the above? Question: Of the following, which supports the idea that alcoholism has no genetic or a low genetic component? a) Some strains of mice select alcohol over water 75% of the time, whereas others shun alcohol. b) The concordance value is 55% for MZ twins and 28% for DZ twins. c) Biological sons of alcoholic men who have been adopted have a rate of alcoholism more like that of their adoptive fathers. d) There is a 20% to 25% risk of alcoholism in the sons of alcoholic men. e) None of these.arrow_forwardIn your attempts to identify a genetic basis for rheumatoid arthritis in humans, you have DNA samples from three large unrelated families in which individuals with varying severity of rheumatoid arthritis are found. From your analysis of various SNPs, you find that the same four unlinked loci consistently show a correlation with the most severe cases from all three families. Based on your observations, which of the following hypotheses best describes the genetic control of rheumatoid arthritis? ос Rheumatoid arthritis is the result of phenocopy by the environment Different genes regulate the disease in different families Rheumatoid arthritis is controlled by a single X-linked recessive trait Rheumatoid arthritis is controlled by polygenic (or quantitative) traits Rheumatoid arthritis is controlled by a single autosomal dominant traitarrow_forwardWhy is a random mutation more likely to be deleterious than beneficial?arrow_forward
- Can I get help for number 2arrow_forwardA mutation results in an enzyme that is partially active compared to the wild -type allele. This type of "leaky" mutation is classified as ________. A) null/ amorphic B)hypomorphic C) hypermorphic D) neomorphic E) dominant negativearrow_forwardFor each of the following outcomes of a mutation – write if the mutated allele would increase in frequency or decrease in frequency over time? Mutation that is harmful: Mutation that is beneficial: Mutation that has no effect:arrow_forward
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