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 15, Problem 4P
You have constructed four different libraries: a genomic library made from DNA isolated from human brain tissue, a genomic library made from DNA isolated from human muscle tissue, a human brain cDNA library, and a human muscle cDNA library.
Which of these would have the greatest diversity of sequences?
Would the sequences contained in each library be expected to overlap completely, partially, or not at all with the sequences present in another of the libraries?
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Chapter 15 Solutions
Genetic Analysis: An Integrated Approach (3rd Edition)
Ch. 15 - 15.1 What purpose do the bla and lacZ genes serve...Ch. 15 - The human genome is 3109 bp in length. How many...Ch. 15 - 15.3 Ligase catalyzes a reaction between the...Ch. 15 - You have constructed four different libraries: a...Ch. 15 - Using the genomic libraries in Problem 4, you wish...Ch. 15 - The human genome is 3109bp. You wish to design a...Ch. 15 - 15.7 Using animal models of human diseases can...Ch. 15 - 15.8 Compare methods for constructing homologous...Ch. 15 - 15.9 Chimeric genefusion products can be used for...Ch. 15 - 15.10 Why are diseases of the blood simpler...
Ch. 15 - Injection of double-stranded RNA can lead to gene...Ch. 15 - Compare and contrast methods for making transgenic...Ch. 15 - 15.13 It is often desirable to insert cDNAs into a...Ch. 15 - 15.14 A major advance in the s was the development...Ch. 15 - 15.15 The bacteriophage lambda genome can exist in...Ch. 15 - 15.16 The restriction enzymes Xho and Sal cut...Ch. 15 - 15.17 The bacteriophage has a single-stranded DNA...Ch. 15 - 15.18 To further analyze the CRABS CLAW gene (see...Ch. 15 - You have isolated a genomic clone with an EcoR I...Ch. 15 - 15.20 You have identified a cDNA clone that...Ch. 15 - 15.21 You have isolated another cDNA clone of the...Ch. 15 - 15.22 You have identified five genes in S....Ch. 15 - You have generated three transgenic lines of maize...Ch. 15 - 15.24 Bacterial Pseudomonas species often possess...Ch. 15 - 15.25 Two complaints about some transgenic plants...Ch. 15 - 15.26 In Drosophila, lossoffunction Ultrabithorax...Ch. 15 - Prob. 27PCh. 15 - The highlighted sequence shown below is the one...Ch. 15 - Vitamin E is the name for a set of chemically...Ch. 15 - The RAS gene encodes a signaling protein that...Ch. 15 - 15.31 You have cloned a gene for an enzyme that...Ch. 15 - 15.32 About of occurrences of nonautoimmune type...Ch. 15 - Describe how having the Cas 9 gene at a genomic...Ch. 15 - 15.34 Would a gene drive system spread rapidly...
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- You have isolated a transposable element from the human genome and have determined its DNA sequence.How would you use this sequence to determine thecopy number of the element in the human genome ifyou just had a computer with an Internet connection?arrow_forwardYou have sequenced the genome of the bacterium Salmonella typhimurium and find a protein that is 100 percent identical to a protein in the bacterium Escherichia coli. When you compare nucleotide sequences of the S. typhimurium and E. coli genes, you find that their nucleotide sequences are only 87 percent identical. How would you interpret the observations? Please make sure to select ALL correct answer options. Because genetic code is redundant, changes in the DNA nucleotide sequence can occur without change to its encoded protein. Due to the flexibility in the third positions of most codons, the DNA sequence can accumulate changes without affecting protein structure. Natural selection will eliminate many deleterious amino acid changes. This will reduce the rate of change in the amino acid sequence and lead to sequence conservation of the proteins. Protein sequences are expected to evolve and diverge more slowly than the genes that encode them.arrow_forwardThe genome of Drosophila melanogaster, a fruit fly, was sequenced in 2000. However, this “completed” sequence did not include most heterochromatin regions. The heterochromatin was not sequenced until 2007 . Most completed genome sequences do not include heterochromatin. Why is heterochromatin usually not sequenced in genome-sequencing projects?arrow_forward
- You have sequenced the genome of the bacterium Salmonella typhimurium and find a protein that is 100 percent identical to a protein in the bacterium Escherichia coli. When you compare nucleotide sequences of the S. typhimurium and E. coli genes, you find that their nucleotide sequences are only 87 percent identical. How would you interpret the observations? Please make sure to select ALL correct answer options. Because genetic code is redundant, changes in the DNA nucleotide sequence can occur without change to its encoded protein. Due to the flexibility in the third positions of most codons, the DNA sequence can accumulate changes without affecting protein structure. Natural selection will eliminate many deleterious amino acid changes. This will reduce the rate of change in the amino acid sequence and lead to sequence conservation of the proteins. Protein sequences are expected to evolve and…arrow_forwardWhat advantages do cDNA libraries provide over genomic DNA libraries? Describe cloning applications where the use of a genomic library is necessary to provide information that a cDNA library cannot.arrow_forwardIf you had the RNA sequence below: 5'UUUGGAG 3' and you were going to make a piece of DNA that would be a complement to it, what would the DNA sequence be? 5' 3' What 12-nucleotide primer would you use in the PCR technique when you want to amplify a gene whose end is as follows: 3' CGGCTCGACAAGGTG5' ? 5' 3'arrow_forward
- Describe the difference between Sanger based sequencing and Next Generation Sequencing (NGS). Why is NGS advantageous over Sanger based sequencing?arrow_forwardWhat is a database? What types of information are stored within adatabase? Where does the information come from? Discuss theobjectives of a genome database.arrow_forwarda. What type of nucleic acid and from what species would the scientist use to begin construction of her genomic DNA library? b. From what tissue would she isolate this nucleic acid? c. What type of reagent would the scientist use to cut the genome into appropriately sized fragments? d. What size nucleic acid fragments would one aim to prepare for the library construction so as to to avoid having to screen an overwhelming number of clones? e. Into what vector would the scientist ligate her genomic DNA fragments? f. What organism would the scientist use to propagate the clones of her genomic DNA library? g. From the information given in the problem determine what probe could be used to screen the scientist's library to find her clone of interest ?arrow_forward
- What does the symbol “N” indicate (see the arrow)? Is this a problem for getting an accurate DNA sequence? The height of the peak in the figure is an indication of the quality of the data, with a high peak correlated with a low error in “base-calling” of perhaps 1 error in 10,000 bases. Is this generally a high-quality DNA sequence for determining the true DNA sequence of the gene studied? How can you tell? Which end of the sequence shown above is the 5’ end of the sequence being made via PCR.arrow_forwardPropose a method for isolating a DNA fragment that is adjacent in the genome to a previously isolated DNA fragment. Assume that you have access to a complete library of DNA fragments in a BAC vector but that the sequence of the genome under study has not yet been determined.arrow_forwardSuppose that a human genomic library is prepared by exhaustive digestion of human DNA with the EcoRI restriction enzyme. Fragments averaging about 4 kb in length would be generated. Is this procedure suitable for cloning large genes? Why or why not?arrow_forward
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