Genetics: Analysis and Principles
6th Edition
ISBN: 9781259616020
Author: Robert J. Brooker Professor Dr.
Publisher: McGraw-Hill Education
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Chapter 16.4, Problem 2COMQ
If the VIN3 gene had a loss-of-function mutation, how do you think that would affect the
a. Neither type would flower.
b. Both types would flower at the proper time.
c. The summer type would flower, but the winter type would not.
d. The winter type would flower, but the summer type would not.
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The shoot morphologies of the Arabidopsis plants below reflect their genotypes. Upper case gene symbols indicate wild type alleles, lower case symbols indicate mutant alleles. Arrowheads indicate a vegetative shoot.
What is the genotype of plant 2?
A.
LFY AP1 TFL1
B.
lfy ap1 TFL1
C.
lfy AP1 TFL1
D.
LFY ap1 TFL1
E.
LFY AP1 tfl1
What types of flower structures would you expect to see in whorls 1 through 4 of a mutant plant that failed to produce both class A and class B gene products?
a. Carpels, stamens, stamens, carpels
b. Sepals, sepals, carpels, carpels
c. Sepals, sepals, sepals, sepals
d. Carpels, carpels, carpels, carpels
Arabidopsis plants that have mutant AtSUC2 alleles accumulate sugar and starch in their mature leaves. What process might these plants be unable to carry out?.
a. Abscission
b. Phloem loading
c. Guttation
d.Photosynthesis.
Chapter 16 Solutions
Genetics: Analysis and Principles
Ch. 16.1 - Which of the following are examples of molecular...Ch. 16.1 - 2. An epigenetic modification to a specific gene...Ch. 16.1 - Prob. 3COMQCh. 16.1 - Epigenetic changes may a. be programmed during...Ch. 16.2 - 1. For the Igf2 gene, where do de novo methylation...Ch. 16.2 - 2. For XCI to occur, where are the Xist and Tsix...Ch. 16.2 - 3. Which of the following possibilities could...Ch. 16.3 - 1. Which of the following statements about...Ch. 16.3 - The effects of paramutation may vary with regard...Ch. 16.4 - 1. When mice carrying theallele exhibit a darker...
Ch. 16.4 - 2. If the VIN3 gene had a loss-of-function...Ch. 16.5 - Prob. 1COMQCh. 16.5 - Prob. 2COMQCh. 16 - Prob. 1CONQCh. 16 - List and briefly describe five types of molecular...Ch. 16 - Prob. 3CONQCh. 16 - What is the key difference between cis and...Ch. 16 - Prob. 5CONQCh. 16 - Prob. 6CONQCh. 16 - 7. Outline the molecular steps in the process of...Ch. 16 - Prob. 8CONQCh. 16 - 9. In general, explain how epigenetic...Ch. 16 - 10. What are the contrasting roles of trithorax...Ch. 16 - Describe the molecular steps by which polycomb...Ch. 16 - Prob. 12CONQCh. 16 - Using coat color in mice and the development of...Ch. 16 - How can environmental agents that do not cause...Ch. 16 - Prob. 15CONQCh. 16 - Prob. 16CONQCh. 16 - Explain how the VIN3/PRC2 complex specifically...Ch. 16 - Prob. 1EQCh. 16 - In the experiments described in Figure 16.8,...Ch. 16 - Prob. 3EQCh. 16 - A research study indicated that an agent in...Ch. 16 - Lets suppose you were interested in developing...Ch. 16 - Prob. 6EQCh. 16 - Prob. 7EQCh. 16 - 2. Discuss the similarities and differences of...
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