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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Chapter 27.1, Problem 4TQ
Summary Introduction
To review:
The effectiveness of a new antibiotic for a patient with a staphylococcal infection.
Introduction:
Minimum inhibitory concentration (MIC) gives a correlation between the drug and the average attainable tissue levels of antibiotics that can predict its effectiveness. The measured MIC can be approximated by the means of Kirby-Bauer disk diffusion technique. Antibiotics are the chemical compounds used for inhibiting or destroying the growth of microbes.
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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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