Genetics: Analysis and Principles
6th Edition
ISBN: 9781259616020
Author: Robert J. Brooker Professor Dr.
Publisher: McGraw-Hill Education
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Chapter 23, Problem 20EQ
A bacterium has a genome size of 4.4 Mb. If a researcher carries out shotgun DNA sequencing and sequences a total of 19 Mb, what is the probability that a base will be left unsequenced? What percentage of the total genome will be left unsequenced?
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The genome of a typical bacterium contains about 5 x 106 base pairs, and
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replicated within several hours. How is this possible?
What are the benefits of using a mixture classification scheme as outlined in DNA Box 14.1? What would be the advantages of using software for deciphering mixture components?
For the following short sequence of double stranded DNA, design primers (just ~ 3-4 bases) and show 2 copy cycles of PCR (refer to figure 13.25) for the amplification of this sequence of DNA (so that you have 4 double stranded DNA).
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3’- CCATAACCGATGAATGACCGTAGC- 5’
Chapter 23 Solutions
Genetics: Analysis and Principles
Ch. 23.1 - Prob. 1COMQCh. 23.2 - Prob. 1COMQCh. 23.3 - A molecular marker is a _____ found at a specific...Ch. 23.3 - 2. Which of the following is an example of a...Ch. 23.3 - To map the distance between molecular markers via...Ch. 23.4 - 1. What is a contig?
a. A fragment of DNA that...Ch. 23.4 - A vector that can carry a large fragment of...Ch. 23.4 - 3. Chromosomal walking is a method of _____ in...Ch. 23.5 - Prob. 1COMQCh. 23.5 - Prob. 2COMQ
Ch. 23.5 - 3. A prokaryotic genome is about 4 million bp in...Ch. 23.6 - Metagenomics is aimed at a. determining the...Ch. 23 - 1. A person with a rare genetic disease has a...Ch. 23 - For each of the following, decide if it could be...Ch. 23 - Which of the following statements about molecular...Ch. 23 - 1. Is each of the following a method used in...Ch. 23 - Prob. 2EQCh. 23 - Prob. 3EQCh. 23 - The cells from a persons malignant tumor were...Ch. 23 - 5. Figure 23.2 describes the technique of FISH....Ch. 23 - Explain how DNA probes with different fluorescence...Ch. 23 - 7. A researcher is interested in a gene found on...Ch. 23 - Prob. 8EQCh. 23 - Prob. 9EQCh. 23 - Prob. 10EQCh. 23 - Prob. 11EQCh. 23 - Prob. 12EQCh. 23 - In the Human Genome Project, researchers have...Ch. 23 - 14. Take a look at question 3 in More Genetic...Ch. 23 - 15. Place the following stages of a physical...Ch. 23 - 16. What is an STS? How are STSs generated...Ch. 23 - 17. Four cosmid clones, which we will call cosmids...Ch. 23 - A human gene, which we will call geneX, is located...Ch. 23 - 19. Describe how you would clone a gene by...Ch. 23 - 20. A bacterium has a genome size of 4.4 Mb. If a...Ch. 23 - 21. Discuss the advantages of next-generation...Ch. 23 - Prob. 22EQCh. 23 - Prob. 23EQCh. 23 - What is a molecular marker? Give two examples....Ch. 23 - Which goals of the Human Genome Project do you...
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- When half of the DNA in the sample is double-stranded, that point is termed the half- reaction time (C0t1/2). Plot a graph below that describes how genome sizes of MS2, T4 and E.coli affects the half-reaction time.arrow_forwardConsider a genome whose length is 1000 bp. "Shotgun" sequencing techniques are applied to the genome, resulting in 20 reads, with an average length of 50 bp. A very important point is that, even though 20×50 = 1000, there is no guarantee that ALL 1000 bp of the genome are represented in the fragments. Calculate the coverage. What does this value mean? Why would it be a good idea to have a coverage greater than 1?arrow_forwardYou culture bacteria from the soil at a toxic waste dump on an agar plate and pick a single bacterium from which you prepare DNA. The isolated organism is a new, previously uncharacterized species. You perform PCR amplification of this DNA using primers to amplify a short segment of ribosomal DNA. When you use BLAST to find similar sequences, you find the following results. Organism E. coli Streptococcus Burkhoderia Microbacterium oxydans DNA sequence identity. % sequence E-value coverage e-10 E. coli 84% 88% 98% 100% 40% 40% 40% 80% e-12 e-15 e-30 Based on the data in the table, which species is most closely related to your toxic waste dump sample? Microbacterium oxydans Streptococcus Burkhoderiaarrow_forward
- Assume 2x108 reads of 75 bps long are obtained from a next-generation sequencing experiment to sequence a human genome. Suppose the length of the human genome is 3x109 bps. What is the depth (i.e., coverage) of the sequencing?arrow_forwardYou have two tubes, each with a pair of DNA fragments inside them. Tube #1 has fragments that are 500bp and 1000 bp in length. Tube #2 has fragments that are 7500bp and 8000bp in size. If you were to perform agarose gel electrophoresis and run the contents of each tube in two separate lanes on the same gel, what would you expect to see? O That the difference between the distances migrated by the two fragments in Tube #1 was much greater than the difference between the distances migrated by the two fragments in Tube #2. O That the difference between the distances migrated by the two fragments in Tube #1 was the same as difference between the distances migrated by the two fragments in Tube #2. O That the difference between the distances migrated by the two fragments in Tube #1 was much less than the difference between the distances migrated by the two fragments in Tube #2. O It is not possible to estimate what we would expect to see.arrow_forwardBacteria and other microbes can be used to "clean up" an oil spill by breaking down oil into carbon dioxide and water. Two samples isolated from the Deepwater Horizon leak in the Gulf of Mexico were labeled A and B. The DNA of each was isolated and the percent thymine measured in each sample. Sample A contains 19.3% thymine and sample B contains 27.9% thymine. Assume the organisms contain normal double-stranded DNA and predict the composition of the other bases. percent adenine in sample A: percent guanine in sample A: percent cytosine in sample A: percent adenine in sample B: %A %G %C % Aarrow_forward
- Bacteria and other microbes can be used to "clean up" an oil spill by breaking down oil into carbon dioxide and water. Two samples isolated from the Deepwater Horizon leak in the Gulf of Mexico were labeled A and B. The DNA of each was isolated and the percent thymine measured in each sample. Sample A contains 19.3% thymine and sample B contains 27.9% thymine. Assume the organisms contain normal double-stranded DNA and predict the composition of the other bases. percent adenine in sample B: percent guanine in sample B: percent cytosine in sample B: Both samples are then denatured to remove the secondary structure. Which will have the higher temperature to denature? A B % A %G %Carrow_forwardBacteria and other microbes can be used to "clean up" an oil spill by breaking down oil into carbon dioxide and water. Two samples isolated from the Deepwater Horizon leak in the Gulf of Mexico were labeled A and B. The DNA of each was isolated and the percent thymine measured in each sample. Sample A contains 18.1% thymine and sample B contains 28.9% thymine. Assume the organisms contain normal double-stranded DNA and predict the composition of the other bases. percent adenine in sample A: SA percent guanine in sumple A: percent cytosine in sample A: percent adenine in sample B}: percent guanine in sample B 5 percent cytosine in sample B Beth samples are then denatured to remove the secondary structure. Which will have the higher temperature to densture!arrow_forwardIf a uidA amplicon generateed by PCR is 200bp and the DNA fragments resulting from the restriction digest fall with 1000bp and 4000bp, which gel should be more concentrated? a) Higher concentration agarose b) Lower concetration agarose?arrow_forward
- A bacterium has a genome size of 4.4 Mb. If a researchercarries out shotgun DNA sequencing and sequences a totalof 19 Mb, what is the probability that a base will be leftunsequenced? What percentage of the total genome will beleft unsequenced?arrow_forwardWhat would be the expected distribution of centrifuged DNA (in the Meselson /Stahl experiment), using only the intact chromosomes of E. coli, by the second generation (the F2 generation)? 12.5% heavy-weight DNA, and 87.5% intermediate-weight DNA 25% heavy-weight DNA, and 75% light-weight DNA 87.5% light-weight DNA, and 12.5% intermediate-weight DNA 75% heavy-weight DNA, and 25% light-weight DNA 50% intermediate-weight DNA, and 50% light-weight DNA The above experiment would demonstrate which of the following DNA replication mechanisms? completely discontinuous DNA replication completely continuous DNA replication semi-conservative DNA replication completely dispersive DNA replication completely conservative DNA replicationarrow_forwardA student is trying to add 15.0 ng of DNA template to a 20.0 µL PCR. The DNA template is at a concentration of 65.0 ng µL-1, and the student determines that a serial dilution is required because directly adding the DNA template would require a volume less than 1.00 µL. The student wants to prepare an intermediate solution at a concentration of 15.0 ng µL-1. If the DNA template stock will be mixed with 13.0 µL of ultrapure H2O, calculate the volume (in µL) of the DNA template required to prepare the intermediate solution.arrow_forward
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Genome Annotation, Sequence Conventions and Reading Frames; Author: Loren Launen;https://www.youtube.com/watch?v=MWvYgGyqVys;License: Standard Youtube License