Genetics: Analysis and Principles
6th Edition
ISBN: 9781259616020
Author: Robert J. Brooker Professor Dr.
Publisher: McGraw-Hill Education
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Textbook Question
Chapter 7, Problem 3EQ
Explain how a U-tube apparatus can distinguish between genetic transfer involving conjugation and genetic transfer involving transduction. Do you think a U-tube could be used to distinguish between transduction and transformation?
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Chapter 7 Solutions
Genetics: Analysis and Principles
Ch. 7.1 - 1. A form of genetic transfer that involves the...Ch. 7.2 - 1. A bacterial cell with an F factor conjugates...Ch. 7.2 - 2. Which of the following is a type of plasmid?...Ch. 7.3 - 1. With regard to conjugation, a key difference...Ch. 7.3 - 2. In mapping experiments, ______ strains are...Ch. 7.4 - Prob. 1COMQCh. 7.4 - Cotransduction may be used to map bacterial genes...Ch. 7.5 - Prob. 1COMQCh. 7.5 - Prob. 2COMQCh. 7.6 - 1. Which of the following is an example of...
Ch. 7 - 1. The terms conjugation, transduction, and...Ch. 7 - Prob. 2CONQCh. 7 - If you mix together an equal number of F+ and F...Ch. 7 - What is the difference between an F+ and an Hfr...Ch. 7 - 5. What is the role of the origin of transfer...Ch. 7 - 6. What is the role of sex pili during...Ch. 7 - Prob. 7CONQCh. 7 - Prob. 8CONQCh. 7 - Prob. 9CONQCh. 7 - 10. What is cotransduction? What determines the...Ch. 7 - Prob. 11CONQCh. 7 - Prob. 12CONQCh. 7 - Describe the steps that occur during bacterial...Ch. 7 - Prob. 14CONQCh. 7 - Prob. 15CONQCh. 7 - Antibiotics such as tetracycline, streptomycin,...Ch. 7 - Prob. 1EQCh. 7 - 2. In the experiment of Figure 7.1, Lederberg and...Ch. 7 - Explain how a U-tube apparatus can distinguish...Ch. 7 - Prob. 4EQCh. 7 - 5. In a conjugation experiment, what is meant by...Ch. 7 - In your laboratory, you have an F strain of E....Ch. 7 - 7. As mentioned in question 2 of More Genetic...Ch. 7 - An Hfr strain that is hisE+ and pheA+ was mixed...Ch. 7 - Acridine orange is a chemical that inhibits the...Ch. 7 - Prob. 10EQCh. 7 - Prob. 11EQCh. 7 - Lets suppose a new strain of P1 phage has been...Ch. 7 - If two bacterial genes are 0.6 minute apart on the...Ch. 7 - 14. In a cotransduction experiment involving P1,...Ch. 7 - Prob. 15EQCh. 7 - Prob. 16EQCh. 7 - 1. Discuss the advantages of the genetic analysis...Ch. 7 - Prob. 2QSDC
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Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, biology and related others by exploring similar questions and additional content below.Similar questions
- What is horizontal gene transfer? What are the three mechanisms for this to occur in bacteria? What are the components needed for the processes of transformation, conjugation, and transduction? How does each process occur? What genes are involved in each process? How do generalized and specialized transduction differ? What is the end result of each? What is recombination? What is the importance to bacteria & archaea? What are the two types of recombination? What are the details of each type? What components are needed for each type?arrow_forwardWhen an E. coli donor cell duplicates a strand of plasmid DNA, and passes this DNA strand to a recipient E. coli cell, without the use of naked DNA in solution or of a viral vector, this is: an example of horizontal gene transfer by means of lysogenic bacteriophages an example of horizontal gene transfer by means of lytic bacteriophages an example of horizontal gene transfer by means of transformation an example of horizontal gene transfer by means of transduction an example of horizontal gene transfer by means of conjugationarrow_forwardIn transformation, a bacterial cell takes up DNA fragments from its surroundings. The figure shows the process of natural transformation. Position the labels below with the correct images. (A) Donor and recipient genomes The donor strand is integrated into the recipient chromosome and the displaced bacterial DNA is degraded. A wild-type donor cell is in the vicinity of a double auxotroph. If the wild-type cell lyses, it releases DNA into the environment. One cell is identical to the original recipient, while the other carries the wild-type genes. A competent recipient cells a receptor site on its surface. One strand of donor DNA enters the cell and pairs with a homologous region of the bacterial chromosome The remaining DNA strand is degraded. A donor DNA strand binds to the receptor site. Reset trpC1 Wild-type donor cell Mechanism of natural transformation Donor DNA hal Receptor site- trpc/his double auxotroph Recipient cell Competent cell recipient -Bacterial chromosome (had.bpC") Ma…arrow_forward
- Genetic transfer via transformation can also be used to map genes along the bacterial chromosome. In this approach, fragments of chromosomal DNA are isolated from one bacterial strain and used to transform another strain. The experimenter examines the transformed bacteria to see if they have incorporated two or more different genes. For example, the DNA may be isolated from a donor E. coli bacterium that has functional copies of the araB and leuD genes. Let’s call these genes araB+ and leuD+ to indicate the genes are functional. These two genes are required for arabinose metabolismand leucine synthesis, respectively. To map the distance betweenthese two genes via transformation, a recipient bacterium is used that is araB− and leuD−. Following transformation, the recipient bacterium may become araB+ and leuD+. This phenomenon is calledcotransformation because two genes from the donor bacterium have been transferred to the recipient via transformation. In this type of experiment, the…arrow_forwardGenetic transfer via transformation can also be used to map genes along the bacterial chromosome. In this approach, fragments of chromosomal DNA are isolated from one bacterial strain and used to transform another strain. The experimenter examines the transformed bacteria to see if they have incorporated two or more different genes. For example, the DNA may be isolated from a donor E. coli bacterium that has functional copies of the araB and leuD genes. Let’s call these genes araB+ and leuD+ to indicate the genes are functional. These two genes are required for arabinose metabolismand leucine synthesis, respectively. To map the distance betweenthese two genes via transformation, a recipient bacterium is used that is araB− and leuD−. Following transformation, the recipient bacterium may become araB+ and leuD+. This phenomenon is calledcotransformation because two genes from the donor bacterium have been transferred to the recipient via transformation. In this type of experiment, the…arrow_forwardBriefly, explain specialized transduction and conjugation.arrow_forward
- Genetic transfer via transformation can also be used to map genes along the bacterial chromosome. In this approach, fragments of chromosomal DNA are isolated from one bacterial strain and used to transform another strain. The experimenter examines the transformed bacteria to see if they have incorporated two or more different genes. For example, the DNA may be isolated from a donor E. coli bacterium that has functional copies of the araB and leuD genes. Let’s call these genes araB+ and leuD+ to indicate the genes are functional. These two genes are required for arabinose metabolismand leucine synthesis, respectively. To map the distance betweenthese two genes via transformation, a recipient bacterium is used that is araB− and leuD−. Following transformation, the recipient bacterium may become araB+ and leuD+. This phenomenon is calledcotransformation because two genes from the donor bacterium have been transferred to the recipient via transformation. In this type of experiment, the…arrow_forwardWhat is generalized transduction?arrow_forwardIn conjugation, how are donor and recipient cells brought intocontact with each other?arrow_forward
- A hypothetical gene for cephalosporin resistance is found to be carried by a transposon. Explain what a transposon is. Then explain how the cephalosporin resistance could be horizontally transferred between organisms by transformation, conjugation, and transduction. What steps/events would have to occur to allow the transposon to be transferred by each method. Also, explain how it could be transferred vertically between organisms.arrow_forwardAssume that there are horizontal gene transfers between two completely different bacterial species. In one case it is a plasmid that is transmitted via conjugation, in the other case it is it is a part of the bacterial chromosome that is transferred via transformation. In which of the two cases is it likely that the transferred DNA will be present? left and can function in the recipient cells? Explain the biological background to your answerarrow_forwardHow does specialized transduction differ from generalized transduction?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