In direct immunofluorescent tests, an unknown antigen is fixed on a slide an is exposed to fluorescent antibody solution of known composition. On formation of the Ag-Ab complex, they show fluorescing specks or cells under fluorescent microscope.

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Chapter 17.L1, Problem 6MCQ

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In direct immunofluorescent tests, an unknown antigen is fixed on a slide an is exposed to fluorescent antibody solution of known composition. On formation of the Ag-Ab complex, they show fluorescing specks or cells under fluorescent microscope.

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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:

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Question

Chapter 17.L1, Problem 6MCQ

Summary Introduction

Introduction:

In direct immunofluorescent tests, an unknown antigen is fixed on a slide an is exposed to fluorescent antibody solution of known composition. On formation of the Ag-Ab complex, they show fluorescing specks or cells under fluorescent microscope.

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Answer 3

Question

Chapter 17.L1, Problem 6MCQ

Summary Introduction

Introduction:

In direct immunofluorescent tests, an unknown antigen is fixed on a slide an is exposed to fluorescent antibody solution of known composition. On formation of the Ag-Ab complex, they show fluorescing specks or cells under fluorescent microscope.

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Answer 4

Question

Chapter 17.L1, Problem 6MCQ

Summary Introduction

Introduction:

In direct immunofluorescent tests, an unknown antigen is fixed on a slide an is exposed to fluorescent antibody solution of known composition. On formation of the Ag-Ab complex, they show fluorescing specks or cells under fluorescent microscope.

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Answer 5

Chapter 17.L1, Problem 6MCQ

Summary Introduction

Introduction:

In direct immunofluorescent tests, an unknown antigen is fixed on a slide an is exposed to fluorescent antibody solution of known composition. On formation of the Ag-Ab complex, they show fluorescing specks or cells under fluorescent microscope.

Answer 6

Chapter 17.L1, Problem 6MCQ

Summary Introduction

Introduction:

In direct immunofluorescent tests, an unknown antigen is fixed on a slide an is exposed to fluorescent antibody solution of known composition. On formation of the Ag-Ab complex, they show fluorescing specks or cells under fluorescent microscope.

Answer 7

Chapter 17.L1, Problem 6MCQ

Summary Introduction

Introduction:

In direct immunofluorescent tests, an unknown antigen is fixed on a slide an is exposed to fluorescent antibody solution of known composition. On formation of the Ag-Ab complex, they show fluorescing specks or cells under fluorescent microscope.

Answer 8

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Ch. 17.1 - Describe what is involved in the main categories...Ch. 17.1 - Explain several techniques in specimen collection...Ch. 17.1 - Summarize the main procedures in isolation,...Ch. 17.1 - Summarize the major techniques in identifying and...Ch. 17.1 - Describe the general principles in specimen...Ch. 17.1 - Explain why it is important to prevent microbes...Ch. 17.1 - Summarize the kinds of tests that are used to...Ch. 17.2 - Describe some direct methods of testing a...Ch. 17.2 - Summarize the aims in selection of culture...Ch. 17.2 - Prob. 6ELO

In direct immunofluorescent tests, an unknown antigen is fixed on a slide an is exposed to fluorescent antibody solution of known composition. On formation of the Ag-Ab complex, they show fluorescing specks or cells under fluorescent microscope.

Solution Summary: The author explains that in direct immunofluorescent tests, an unknown antigen is fixed on a slide and exposed to fluorescent antibody solution of known composition.

Introduction:

In direct immunofluorescent tests, an unknown antigen is fixed on a slide an is exposed to fluorescent antibody solution of known composition. On formation of the Ag-Ab complex, they show fluorescing specks or cells under fluorescent microscope.

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Chapter 17 Solutions

In direct immunofluorescent tests, an unknown antigen is fixed on a slide an is exposed to fluorescent antibody solution of known composition. On formation of the Ag-Ab complex, they show fluorescing specks or cells under fluorescent microscope.

Solution Summary: The author explains that in direct immunofluorescent tests, an unknown antigen is fixed on a slide and exposed to fluorescent antibody solution of known composition.

Introduction: In direct immunofluorescent tests, an unknown antigen is fixed on a slide an is exposed to fluorescent antibody solution of known composition. On formation of the Ag-Ab complex, they show fluorescing specks or cells under fluorescent microscope.

Want to see the full answer?

Chapter 17 Solutions

Introduction:

In direct immunofluorescent tests, an unknown antigen is fixed on a slide an is exposed to fluorescent antibody solution of known composition. On formation of the Ag-Ab complex, they show fluorescing specks or cells under fluorescent microscope.