Microbiology: An Evolving Science (Fourth Edition)
4th Edition
ISBN: 9780393615098
Author: John W. Foster, Joan L. Slonczewski
Publisher: W. W. Norton & Company
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Question
Chapter 27, Problem 11RQ
Summary Introduction
To review:
The concept of MDR (multidrug resistance) efflux pump.
Introduction:
MDR stands for multidrug resistance efflux pumps. MDR pump of Gram-negative issimilar to the ABC export system. The MDR efflux pump acts on a broad range of antibiotics irrespective of the structure. It exists in
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The shape of radishes may be long (SL/SL), oval (SL/SS), or round (SS/SS), and the color of radishes may be red (CR/CR), purple (CR/CW) or white (CW/CW). If a long, red radish plant is crossed with a round, white plant, what will be the appearance of the F1 and F2 generations?
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Question #3:
In the KeyGene paper, the authors state that it would be useful if pollen from an apomict would
transmit apomixis-inducing genes to the female in the cross (assuming the pollen is viable). Assuming
there was just one gene conferring gametophytic obligate apomixis, and that the two parents are
inbreds, what would be the consequences of such a cross if:
a) The apomixis was a dominant trait? Indicate the genotypes and phenotypes (apomict or non-
apomict) of the parents, F1 and F2 generations. Remember to include the expected genotypic
and phenotypic ratios (or percentages) in the F1 and F2 generations, and to position the female
first (left side) in the parental cross.
b) The apomixis was a recessive trait? Indicate the genotypes and phenotypes (apomict or non-
apomict) of the parents, F1 and F2 generations. Remember to include the expected genotypic
and phenotypic ratios (or percentages) in the F1 and F2 generations, and to position the female
first (left side) in the…
Chapter 27 Solutions
Microbiology: An Evolving Science (Fourth Edition)
Ch. 27.1 - Prob. 1TQCh. 27.1 - Prob. 2TQCh. 27.1 - Prob. 3TQCh. 27.1 - Prob. 4TQCh. 27.2 - Prob. 1TQCh. 27.2 - Prob. 2TQCh. 27.2 - Prob. 3TQCh. 27.3 - Prob. 1TQCh. 27.3 - Prob. 2TQCh. 27.3 - Prob. 3TQ
Ch. 27.3 - Prob. 4TQCh. 27.4 - Prob. 1TQCh. 27 - Prob. 1RQCh. 27 - Prob. 2RQCh. 27 - Prob. 3RQCh. 27 - Prob. 4RQCh. 27 - Prob. 5RQCh. 27 - Prob. 6RQCh. 27 - Prob. 7RQCh. 27 - Prob. 8RQCh. 27 - Prob. 9RQCh. 27 - Prob. 10RQCh. 27 - Prob. 11RQCh. 27 - Prob. 12RQCh. 27 - Prob. 13RQCh. 27 - Prob. 14RQCh. 27 - Prob. 15RQCh. 27 - Prob. 16RQCh. 27 - Prob. 17RQCh. 27 - Prob. 1TQCh. 27 - Prob. 2TQCh. 27 - Prob. 3TQCh. 27 - Prob. 4TQ
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