Foundations in Microbiology
9th Edition
ISBN: 9780073522609
Author: Kathleen Park Talaro, Barry Chess Instructor
Publisher: McGraw-Hill Education
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Chapter 19.L1, Problem 14MCQ
Summary Introduction
Introduction:
Actinomycetes are a group of rods, consisting mostly of harmless species; Actinomyces and Nocardia are the two medically significant genera in this group.
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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…
Question #5:
Assume that two genes are identified that confer gametophytic facultative apomixis in soybean. The
genes show independent assortment. Recessive alleles at both loci are required for the facultative
apomixis. Facultative apomixis is triggered when the temperature at pollination is above 20 degrees C.
At temperatures below 20 degrees C, all reproduction is sexual, independent of genotype.
A facultative apomict male, capable of producing viable pollen, was crossed with a sexually
reproducing female. Assuming the parents are completely inbred, what are the predicted phenotypic
ratios (apomict: non-apomict) for the F1, F2, and DH (F1-derived) generations at each of the following
temperatures*:
a) 15°C?
b) 25°C?
*for full credit, show crosses and genotypes where appropriate. Remember to position the
female first (left side) in the cross.
Type your answer here:
Chapter 19 Solutions
Foundations in Microbiology
Ch. 19.1 - 1. Describe how cellular characteristics are used...Ch. 19.1 - 1. Explain why Bacillus, Clostridium, and...Ch. 19.2 - 2. Recall the general characteristics of the genus...Ch. 19.2 - 3. Distinguish between cutaneous and pulmonary...Ch. 19.2 - 4. State the general characteristics of the genus...Ch. 19.2 - 5. Recall the organisms responsible for...Ch. 19.2 - Prob. 6ELOCh. 19.2 - Prob. 7ELOCh. 19.2 - Prob. 8ELOCh. 19.2 - 9. Compare food intoxication caused by Bacillus...
Ch. 19.2 - Prob. 2CYPCh. 19.2 - Prob. 3CYPCh. 19.2 - 4. What are the common elements of puncture...Ch. 19.2 - 5. What is the relationship between the normal...Ch. 19.2 - Prob. 6CYPCh. 19.2 - Prob. 7CYPCh. 19.2 - 8. ln what way is the ingested agent responsible...Ch. 19.3 - 10. Relate the severity of listeriosis with the...Ch. 19.3 - 11. Explain why people in certain occupations are...Ch. 19.3 - 9. Compare the effects of listeriosis in healthy...Ch. 19.3 - 10. Why do erysipeloids commonly appear on the...Ch. 19.4 - Prob. 12ELOCh. 19.4 - Prob. 13ELOCh. 19.4 - Prob. 11CYPCh. 19.4 - Prob. 12CYPCh. 19.5 - Prob. 14ELOCh. 19.5 - Prob. 15ELOCh. 19.5 - Prob. 16ELOCh. 19.5 - Prob. 17ELOCh. 19.5 - 18. Explain the significance of nontuberculous...Ch. 19.5 - Prob. 13CYPCh. 19.5 - 14. Compile a list of the advantages,...Ch. 19.5 - 15. Explain how and why antibacterial treatment...Ch. 19.5 - 16. List several differences between lepromatous...Ch. 19.5 - Prob. 17CYPCh. 19.5 - 18. List the diseases and at-risk populations...Ch. 19.6 - Prob. 19ELOCh. 19.6 - 20. Describe the types of infections attributable...Ch. 19.6 - 19. Compare the types of infections caused by the...Ch. 19.L1 - 1. What is/are the usual habitat(s) of...Ch. 19.L1 - Prob. 2MCQCh. 19.L1 - Prob. 3MCQCh. 19.L1 - 4. Clostridium perfringens causes a. myonecrosis...Ch. 19.L1 - Prob. 5MCQCh. 19.L1 - Prob. 6MCQCh. 19.L1 - Prob. 7MCQCh. 19.L1 - Prob. 8MCQCh. 19.L1 - Prob. 9MCQCh. 19.L1 - 10. Soil mycobacteria can be the cause of a....Ch. 19.L1 - Prob. 11MCQCh. 19.L1 - Prob. 12MCQCh. 19.L1 - Prob. 13MCQCh. 19.L1 - Prob. 14MCQCh. 19.L1 - Prob. 15MCQCh. 19.L1 - 16. Matching. Match the disease with the principal...Ch. 19.L1 - If the patient were to be given a Mantoux test for...Ch. 19.L1 - Prob. 2CSRCh. 19.L1 - Prob. 3CSRCh. 19.L1 - Prob. 1WCCh. 19.L1 - Prob. 2WCCh. 19.L1 - Prob. 3WCCh. 19.L1 - Prob. 4WCCh. 19.L1 - Prob. 5WCCh. 19.L1 - 6. a. Why is listeriosis a serious problem even...Ch. 19.L1 - Prob. 7WCCh. 19.L1 - Prob. 8WCCh. 19.L1 - 9. a. Outline the unique characteristics of...Ch. 19.L1 - Prob. 10WCCh. 19.L1 - 11. a. What is the importance of NTM? b. Describe...Ch. 19.L1 - Prob. 12WCCh. 19.L2 - Prob. 1CTCh. 19.L2 - 2. a. Why is it unlikely that diseases such as...Ch. 19.L2 - Prob. 3CTCh. 19.L2 - Prob. 4CTCh. 19.L2 - Prob. 5CTCh. 19.L2 - 6. Adequate cooking is the usual way to prevent...Ch. 19.L2 - 7. a. Why do patients who survive tetanus and...Ch. 19.L2 - Prob. 8CTCh. 19.L2 - 9. How can one tell that acne involves an...Ch. 19.L2 - Prob. 10CTCh. 19.L2 - Prob. 11CTCh. 19.L2 - Prob. 12CTCh. 19.L2 - 13. Which diseases discussed in this chapter have...Ch. 19.L2 - 14. Eighty-six people at a St. Patrick's Day...Ch. 19.L2 - 15. An outbreak of gastrointestinal illness was...Ch. 19.L2 - Prob. 1VCCh. 19.L2 - Prob. 2VC
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