Study Guide And Solutions Manual For Genetic Analysis: An Integrated Approach
3rd Edition
ISBN: 9780134832258
Author: Mark F. Sanders, John L. Bowman, Peter Mirabito
Publisher: PEARSON
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Chapter 6, Problem 11P
Among the mechanisms of gene transfer in bacteria, which one is capable of transferring the largest chromosome segment from donor to recipient? Which process generally transfers thesmallest donor segments to the recipient? Explain your reasoning for both answers.
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Origins of transfer can be located in many different locations, and their direction of transfer can be clockwise or counterclockwise. Let’s suppose a researcher conjugated six different Hfr strains that werethr+ leu+ tons strr azis lac+ gal+ pro+ met+ to an F− strain that wasthr− leu− tonr strs azir lac− gal− pro− met−, and obtained the followingresults:Draw a circular map of the E. coli chromosome that shows thelocations and orientations of the origins of transfer in these sixHfr strains.
What two molecular mechanisms can result in gene conversion?Do both occur in the double-strand break model?
Bacteriophage T4 has a linear double-stranded DNA genome, yet mapping many mutations, as shown in Figure, generates a circular linkage map. How might you explain this discrepancy?
Chapter 6 Solutions
Study Guide And Solutions Manual For Genetic Analysis: An Integrated Approach
Ch. 6 - For bacteria that are F+, Hfr, F', and F-, perform...Ch. 6 - The flow diagram identifies relationships between...Ch. 6 - Conjugation between an Hfr cell and an F-cell does...Ch. 6 - Bacteria transfer genes by conjugation,...Ch. 6 - Explain the importance of the following features...Ch. 6 - Prob. 6PCh. 6 - Describe what is meant by the term site-specific...Ch. 6 - What is a prophage, and how is a prophage formed?Ch. 6 - How is the frequency of cotransduction related to...Ch. 6 - Describe the differences between genetic...
Ch. 6 - Among the mechanisms of gene transfer in bacteria,...Ch. 6 - What is lateral gene transfer? How might it take...Ch. 6 - Lateral gene transfer is thought to have played a...Ch. 6 - Prob. 14PCh. 6 - A 2013 CDC report identified the practice of...Ch. 6 - Hfr strains that differ in integrated F factor...Ch. 6 - Five Hfr strains from the same bacterial species...Ch. 6 - An interrupted mating study is carried out on Hfr...Ch. 6 - An Hfr strain with the genotype cys+leu+met+strS...Ch. 6 - A triple-auxotrophic strain of E. coli having the...Ch. 6 - Penicillin was first used in the 1940 s to treat...Ch. 6 - An attribute of growth behavior of eight...Ch. 6 - Synthesis of the amino acid histidine is a...Ch. 6 - The phage P1 is used as a generalized transducing...Ch. 6 - Prob. 25PCh. 6 - Prob. 26PCh. 6 - Look closely at the consolidated Hfr map and the...Ch. 6 - Fifty bacterial colonies are on a complete-medium...
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- In a regular copolymer experiment, where UUAC is repeatedover and over, how many different triplets will occur inthe synthetic RNA, and how many amino acids will occurin the polypeptide when this RNA is translated?arrow_forwardWhat is the mechanism by which the Alu sequence has become dispersed to many sites in the genome?arrow_forwardHow does the 1200-μm-long chromosome of E. coli fit into a bacterial cell 2.0 * 0.5 μm long?arrow_forward
- General recombination occurs in bacteria where it is involved in several types of intermicrobial DNA transfer. What are these types of transfer, and by what mechanisms do they occur?arrow_forwardIn genetic transformation, what is meant by the wordcompetence?arrow_forwardThe following diagram represents a transcription unit in a hypothetical DNA molecule. 5′ … TTGACA … TATAAT … 3′ 3′ … AACTGT … ATATTA … 5′ Q. On the basis of the information given, is this DNA from a bacterium or from a eukaryotic organism?arrow_forward
- How many nucleotides are in the consensus coding sequence (CDS) of the KMT2D transcript? answer in numerical digits only.arrow_forwardHow do we know if a genomic DNA sequence contains aprotein-coding gene?arrow_forwardIf you are using a restriction enzyme that make 8 cuts in the Lambda phage DNA, how many bands (pieces) do you expect to be generated assuming each band is a unique size?arrow_forward
- Based on the images attached, what does the similarity in the sequences tell you about the ermB gene found in these bacteria? Would we expect high or low sequence similarity when considering the possibility of horizontal gene transfer?arrow_forwardAside from the bacterial chromosome where may DNA be found in a prokaryotic cell and what ways is genetic material transferred from one bacterial cell to another?arrow_forwardFor bacteria living in a rapidly changing environment, would a population of bacteria capable of conjugation be more successful than one that could not undergo conjugation? Explain why. Include in your answer a description of the process of conjugation and its advantages over other mechanisms of DNA transfer between prokaryotic organisms.arrow_forward
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genetic recombination strategies of bacteria CONJUGATION, TRANSDUCTION AND TRANSFORMATION; Author: Scientist Cindy;https://www.youtube.com/watch?v=_Va8FZJEl9A;License: Standard youtube license