Lect20-BiotechApplications

Lect20-BiotechApplications - Applications and Ethics of...

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Applications and Ethics of Genetic Engineering
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Outline Genetically-modified plants and animals Genetic testing/diagnosis Targeted medical therapies DNA profiling and Forensics Ethical implications
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Genetically modified plants Goals: To provide resistance against competing plants and pathogens To enhance the nutritional value of crops To modify tastes, ripening time, yields, etc. For therapeutics
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Genetically modified plants More than 75% of cotton and soybean in US is genetically modified. They are resistant to glyphosate (herbicide) How was this carried out?
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Nutritional Enhancement “Golden rice” that produces Beta- carotene. Three genes in pathway. Not there yet…
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Transgenic plants and therapeutics Subunit vaccines that are edible Circumvents needs for refrigeration, fear of needles, sterile administration
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Genetically modified microbes The first to be made transgenic.
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