Biology
Biology
12th Edition
ISBN: 9780134813448
Author: Audesirk, Teresa, Gerald, Byers, Bruce E.
Publisher: Pearson,
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Chapter 44, Problem 1AC
Summary Introduction

To discuss:

The usefulness of insertion of “nitrogen fixation genes” in crop plants.

Introduction:

The crop plants, such as wheat and corn require an abundance of nitrogen for the preparation of food that will be beneficial to humans for their own consumption. The adequate amount of nitrogen is provided to these plants by supplying fertilizers.

Summary Introduction

To discuss:

The changes that will occur in farming practices once the genes are inserted in crop plants.

Introduction:

The genetically engineered plants are modified plants, in which the genes of interest are inserted. The application of this technique is used in various manners, such as making drought-resistant, salt-resistant, plant, and many more.

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Genetic engineering of plants provides an opportunity to alter their properties or performance in order to improve upon their utility. Such technology may be used to modify the expression of genes already present in the plants, or to introduce new genes of other species with which the plant cannot be bred conventionally. In fact, humans have engaged in genetic manipulation for millennia, producing plant and animal varieties through selective breeding and hybridization that significantly modify genomes of organisms.  How has this technology created novel genetic information by specific alteration of cloned genes? (provide an example). Why do you think modern genetic engineering, has met with so much opposition?  Should some forms of genetic engineering be of greater concern than others?  Explain.  In your response provide a specific example from literature to describe the implications of this technology (good or bad).
What makes the species of Agrobacterium ideal for genetic engineering? Describe its characteristics and its role in producing transgenic plants.
Agrobacterium-mediated plant transformation is a method used to create transgenic plants. Agrobacterium tumefaciens, a soil bacterium works exceptionally well as a natural genetic engineer. Describe briefly the creation of a transgenic plant using A. tumefaciens with illustration.

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