Foundations in Microbiology
10th Edition
ISBN: 9781259705212
Author: Kathleen Park Talaro, Barry Chess Instructor
Publisher: McGraw-Hill Education
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Chapter 6.5, Problem 22CYP
What processes are involved in bacteriophage assembly?
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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 6 Solutions
Foundations in Microbiology
Ch. 6.1 - Indicate how viruses were discovered and...Ch. 6.1 - Describe the unique characteristics of viruses.Ch. 6.1 - Discuss the origin and importance of viruses.Ch. 6.1 - Prob. 1CYPCh. 6.1 - Prob. 2CYPCh. 6.1 - Explain what it means to be an obligate...Ch. 6.1 - Prob. 4CYPCh. 6.2 - Prob. 4ELOCh. 6.2 - Distinguish among types of capsids and...Ch. 6.2 - Prob. 6ELO
Ch. 6.2 - Prob. 7ELOCh. 6.2 - Summarize the different viral groups based on...Ch. 6.3 - Prob. 9ELOCh. 6.3 - Indicate the characteristics used in identifying...Ch. 6.3 - Prob. 5CYPCh. 6.3 - Describe the general structure of viruses.Ch. 6.3 - Prob. 7CYPCh. 6.3 - Prob. 8CYPCh. 6.3 - Prob. 9CYPCh. 6.3 - Prob. 10CYPCh. 6.3 - How are the poxviruses different from other animal...Ch. 6.3 - Prob. 12CYPCh. 6.3 - How are generic and common names used?Ch. 6.4 - Describe the virus-host relationship.Ch. 6.4 - Prob. 12ELOCh. 6.4 - Prob. 13ELOCh. 6.4 - Prob. 14ELOCh. 6.4 - Explain two ways in which animal viruses are...Ch. 6.4 - Prob. 16ELOCh. 6.4 - Write a narrative that describes the stages in the...Ch. 6.4 - Prob. 15CYPCh. 6.4 - Summarise the two major ways in which animal...Ch. 6.4 - Prob. 17CYPCh. 6.4 - Describe several cytopathic effects of viruses....Ch. 6.4 - Explain what it means for a virus to become...Ch. 6.4 - Prob. 20CYPCh. 6.5 - Prob. 17ELOCh. 6.5 - Explain what is meant by lysogeny, prophage,...Ch. 6.5 - Prob. 19ELOCh. 6.5 - In simple terms, what does the viral nucleic acid...Ch. 6.5 - What processes are involved in bacteriophage...Ch. 6.5 - Prob. 23CYPCh. 6.5 - Compare and contrast the main phases in the lytic...Ch. 6.5 - why is penetration so different between the two...Ch. 6.6 - Prob. 20ELOCh. 6.6 - Compare the methods and uses of cell culture, bird...Ch. 6.7 - Prob. 22ELOCh. 6.7 - Prob. 23ELOCh. 6.7 - Describe the three main techniques for cultivating...Ch. 6.7 - Prob. 27CYPCh. 6.7 - What are cell lines and monolayers, and how are...Ch. 6.7 - Prob. 29CYPCh. 6.8 - Prob. 24ELOCh. 6.8 - Prob. 25ELOCh. 6.8 - Prob. 30CYPCh. 6.8 - Prob. 31CYPCh. 6.L1 - Prob. 1MCQCh. 6.L1 - Prob. 2MCQCh. 6.L1 - The capsid is composed of protein subunits called...Ch. 6.L1 - Prob. 4MCQCh. 6.L1 - Prob. 5MCQCh. 6.L1 - Prob. 6MCQCh. 6.L1 - A prophage is a/an ____ stage in the cycle of...Ch. 6.L1 - Prob. 8MCQCh. 6.L1 - Prob. 9MCQCh. 6.L1 - Prob. 10MCQCh. 6.L1 - Prob. 11MCQCh. 6.L1 - Prob. 12MCQCh. 6.L1 - Prob. 13MCQCh. 6.L1 - Prob. 14MCQCh. 6.L1 - Prob. 15MCQCh. 6.L1 - Prob. 1CSRCh. 6.L1 - Prob. 2CSRCh. 6.L1 - Prob. 3CSRCh. 6.L1 - a. What characteristics of viruses could be used...Ch. 6.L1 - Prob. 2WCCh. 6.L1 - a. Since viruses lack metabolic enzymes, how can...Ch. 6.L1 - Prob. 4WCCh. 6.L2 - Prob. 1CTCh. 6.L2 - Prob. 2CTCh. 6.L2 - Prob. 3CTCh. 6.L2 - a. Given that DNA viruses can be carried in the...Ch. 6.L2 - Prob. 5CTCh. 6.L2 - Is there such a thing as a “good virus�?...Ch. 6.L2 - Prob. 7CTCh. 6.L2 - Prob. 8CTCh. 6.L2 - Prob. 9CTCh. 6.L2 - Label the parts of viruses in figures...Ch. 6.L2 - How would you describe the kind of capsid found on...
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