NESTER'S MICROBIOLOGY: A HUMAN PERSPECT
9th Edition
ISBN: 9781260161373
Author: Anderson, SALM
Publisher: MCGRAW-HILL HIGHER EDUCATION
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Textbook Question
Chapter 27, Problem 3MC
Which one of the following statements about bacterial vaginosis is false?
a) It is the most common vaginal disease in women of childbearing age.
b) In pregnant women, it is associated with premature delivery.
c) Inflammation of the vagina is a constant feature of the disease.
d) The vaginal microbiota shows a significant decrease in lactobacilli and a marked increase in anaerobic bacteria.
e) The cause is unknown.
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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
NESTER'S MICROBIOLOGY: A HUMAN PERSPECT
Ch. 27 - How do lactobacilli help protect the vagina from...Ch. 27 -
2. List four factors that increase the likelihood...Ch. 27 - Prob. 3SACh. 27 - Prob. 4SACh. 27 - Prob. 5SACh. 27 - List three diseases caused by different antigenic...Ch. 27 - Prob. 7SACh. 27 - Prob. 8SACh. 27 - Prob. 9SACh. 27 - Prob. 10SA
Ch. 27 - Prob. 1MCCh. 27 - Prob. 2MCCh. 27 -
3. Which one of the following statements about...Ch. 27 - Prob. 4MCCh. 27 - Prob. 5MCCh. 27 - Prob. 6MCCh. 27 - Prob. 7MCCh. 27 -
8. Which symptom is least likely to occur as a...Ch. 27 - Prob. 9MCCh. 27 - All of the following are true of “trich”...Ch. 27 - Prob. 1ACh. 27 - Prob. 2ACh. 27 - Prob. 1CTCh. 27 - Prob. 2CT
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