Prentice Hall Biology (California)
Prentice Hall Biology (California)
1st Edition
Kenneth R. Miller, Levine
ISBN: 9780132013529
Textbook solutions

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Section 13.4: Applications of Genetic Engineering

Exercise 1
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Transgenic organisms are organisms that contain genetic material that was introduced from an unrelated organism. Transgenic organisms can be useful in many applications.
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For instance, transgenic bacteria can be used to produce valuable or medically-important substances. One example would be the production of the insulin hormone in bacteria.
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Transgenic plants can be modified to produce their own pesticide. This can be beneficial in reducing agricultural costs and pollution caused by the use of chemical pesticides.
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Lastly, transgenic animals can be modified to grow faster or produce milk in large amounts. Fast-growing livestock or those that can produce more milk can improve food production.
Exercise 2
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Transgenic is the term used to describe organisms that contain genetic material from the DNA of another organism that is not related to them.
Exercise 3
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An egg cell is taken from a female sheep and a donor cell is taken from a male sheep. these two cells are fused together using an electric shock.The fused cell begins growing as an embryo. The embryo is then implanted into the uterus of an foster sheep. The embryo develops into Dolly the sheep.
Result
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see explanation for solution
Exercise 4
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The consumption of genetically modified food is usually not a cause of concern since there was a lot of research and regulation that has been put into the development of these foods.
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The development of transgenic organisms, especially those used for consumption, is strictly regulated and controlled. They are allowed to be consumed only if they pass strict testing.
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However, they may still be instances where genetically modified foods can be harmful. For instance, transgenic crops may produce its own pesticides that could be harmful to humans.
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