Genetics: Analysis and Principles
5th Edition
ISBN: 9780073525341
Author: Robert J. Brooker Professor Dr.
Publisher: McGraw-Hill Education
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Chapter 7, Problem 16EQ
Summary Introduction
To analyze:
The distance between the two genes if the average size of DNA (deoxyribonucleic acid) fragments is 2 minutes.
The cotransformation frequency if the average size of the fragments of DNA was 4 minutes and the distance between the two genes was 1.4 minutes.
Introduction:
A bacterium transfers genetic material via three mechanisms: conjugation, transformation, and transduction. In transduction, a bacteriophage, which infects the bacteria, the genetic material gets transferred from one bacterium to another. A phenomenon when two genes, which are close together along the chromosome, are packaged by a bacteriophage to be carried from one host bacterium to another is known as cotransduction.
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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. 7.7 - Prob. 1COMQCh. 7.7 - Prob. 2COMQCh. 7.8 - Prob. 1COMQCh. 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 - What does the term complementation mean? If two...Ch. 7 - Prob. 18CONQCh. 7 - Prob. 19CONQCh. 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 - E17. If you took a pipette tip and removed a phage...Ch. 7 - Prob. 18EQCh. 7 - E19. In the experimental strategy described in...Ch. 7 - Prob. 20EQCh. 7 - Prob. 21EQCh. 7 - 1. Discuss the advantages of the genetic analysis...Ch. 7 - Complementation occurs when two defective alleles...
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