Human Heredity: Principles and Issues (MindTap Course List)
Human Heredity: Principles and Issues (MindTap Course List)
11th Edition
ISBN: 9781305251052
Author: Michael Cummings
Publisher: Cengage Learning
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Chapter 14, Problem 6QP
Summary Introduction

Introduction: In classical breeding techniques, transfer of hundreds to thousands of genes takes place to develop transgenic crops. These days, however, methods of biotechnology such as recombinant DNA techniques are used to develop transgenic plants at a faster and more precise rate with desired traits such as pest resistance. Genetically modified plants are the plants which are produced by the methods of recombinant DNA technology.

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Genetically modifying seeds to produce herbicide-resistant plants that increase crop yields has revolutionized modern agriculture. However, genetically modified organisms (GMOs) have come under fire in recent years, with consumer groups calling for mandatory GMO labeling on all food packages that contain GMO ingredients. GMO labeling laws have been in force in the European Union and other countries for several years, but the threat to the U.S. food industry is only now surfacing. Although bills requiring GMO labeling have been introduced in many state legislatures, Vermont is the only state where such a law has so far withstood the first round of legal battles from the industry. Leading chemical companies, including Monsanto, BASF, and DuPont, are the world’s largest suppliers of seeds that grow the food that feeds the world. To counter the GMO labeling threat, they now are turning to mutagenesis as an alternative technique to create herbicide-resistant crops. Mutagenesis mimics the…
Many concerns have been raised about the safety of GMOs. These are all concerns that have been raised EXCEPT A. Genes that offer herbicide resistance will be passed on to weedy species making "superweeds". b. GM crops will cross with non-GM crops and move the recombinant genes into crops where farmers don't want them. c. Genes added to crop plants can negatively affect the health of people who eat the crops. d. Genetically modified crops increase the use of fossil fuels and therefore increase the production of carbon dioxide.
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