Study Guide for Campbell Biology
11th Edition
ISBN: 9780134443775
Author: Lisa A. Urry, Michael L. Cain, Steven A. Wasserman, Peter V. Minorsky, Jane B. Reece, Martha R. Taylor, Michael A. Pollock
Publisher: PEARSON
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Textbook Question
Chapter 38, Problem 17TYK
Which of the following techniques is being developed to reduce the likelihood that introduced genes for herbicide or insect resistance will escape to closely related weed species?
- a. engineering flowers to self-fertilize and remain closed so that pollen is not released
- b. breeding male sterility into transgenic plants so that they have no pollen to be transferred to nearby weeds
- c. engineering the gene of interest into chloroplast DNA, which is inherited from the maternal plant and is not transferred by pollen
- d. All of the above would reduce the risk of crop-to-weed transgene escape.
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Chapter 38 Solutions
Study Guide for Campbell Biology
Ch. 38 - Identify the flower parts in the following...Ch. 38 - a. Describe the male gametophyte. b. Describe the...Ch. 38 - Label the parts in the following diagrams of a...Ch. 38 - Prob. 4IQCh. 38 - a. List some ways in which fruits aid in seed...Ch. 38 - a. What is an advantage of apomixis? b. What is...Ch. 38 - How are vegetative reproduction and...Ch. 38 - Biofuels are considered carbon neutral, even...Ch. 38 - Draw a diagram of the major events in the life...Ch. 38 - List the advantages and disadvantages of sexual...
Ch. 38 - List some of the potential benefits and dangers of...Ch. 38 - ________ structure from which fruit typically...Ch. 38 - ________ generation that produces spores by...Ch. 38 - Prob. 3TYKFCh. 38 - Prob. 4TYKFCh. 38 - Prob. 5TYKFCh. 38 - Prob. 6TYKFCh. 38 - Prob. 7TYKFCh. 38 - Prob. 8TYKFCh. 38 - Prob. 9TYKFCh. 38 - Prob. 10TYKFCh. 38 - A flower on a dioecious plant is a. complete. b....Ch. 38 - Prob. 2TYKCh. 38 - Double fertilization involves fusion of sperm...Ch. 38 - The terminal cell of an early plant embryo a....Ch. 38 - Prob. 5TYKCh. 38 - Prob. 6TYKCh. 38 - Prob. 7TYKCh. 38 - Which of the following structures protects a bean...Ch. 38 - Prob. 9TYKCh. 38 - Prob. 10TYKCh. 38 - Prob. 11TYKCh. 38 - Which of the following statements is false? a....Ch. 38 - Prob. 13TYKCh. 38 - Prob. 14TYKCh. 38 - Prob. 15TYKCh. 38 - Prob. 16TYKCh. 38 - Which of the following techniques is being...
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- Debate whether it is ethical for seed manufacturers to replace one controversial technique (genetic engineering) with another (mutagenesis) to avoid regulatory threats.arrow_forwardThere is a strict conditions that should be met before genetic engineering in plant crops could be successful, which of the following is true? * A. there should be a large number of genes B. genes that would be added should be specified C. genes that would be added should be mixed with other desirable genes D. the laboratory conditions should have ample oxygenarrow_forwardWhich of the following problems has/have been addressed through the development ofgenetically modified plants? 1. Vitamin deficiencies in children. 2. Susceptibility of crops to insect pests. 3 Accumulation of toxic ions in agricultural soils. 4. Both 1 and 2 are correct. 5. Women menstruation cycle.arrow_forward
- You are a developmental geneticist and perform a mutagenesis screen in Arabidopsis looking for floral organ mutants. You identify a mutant phenotype that has the following organ arrangement, beginning in whorl 1: Sepal-Sepal-Carpel-Carpel Which class of floral identity genes has been mutated? A-B double mutant O A O SEPALLATA B сarrow_forwardFigure 4 shows the hybridization process between plant P and Q. b) What is process A?arrow_forwardPollen contains the complete genetic material of the plant and is airborne. Describe the ways in which the spread of transgenes via pollen can be contained.arrow_forward
- Consider the following hypothetical gene a plant g&T produces a protein that impacts the stem length. There are two alleles for GT which produces long stem and tea little tea which results in short stint. Which of the following genome types above would have a different pheno type? And what would the phenotype be for the genotype?arrow_forwardExplain how genetic engineering approaches can offer advantages over traditional plant breeding approaches for introduction of genetic resistance into crops.arrow_forwardThere is a possibility that gene flow due to cross-pollination may occur between crop plants genetically modified to be herbicide resistant and neighboring wild plants. Why would this be a problem?arrow_forward
- Trace the genetic steps in the development of a peanut plant that isresistant to insect larvae (table given). (Hint: You need to useAgrobacterium.)arrow_forwardUnder which of the following conditions would pollen from an S2S5 plant successfully pollinate an S1S5 flower? a. Using pollen from a carpelate flower to fertilize a staminate flower would be successful. b. If the plants used gametophytic self-incompatibility, half of the pollen would be successful. c. If the plants used sporophytic self-incompatibility, half of the pollen would be successful. d. Pollen from an S2S5 plant can never pollinate an S1S5 flower.arrow_forwardDiscuss two important implications of using cytoplasmic male sterile lines in F1 seed productionarrow_forward
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