genetic engineering chapter 15. selective breeding allowing only animals with wanted characteristics...
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Genetic Engineering
Chapter 15
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Selective Breeding• Allowing only animals with wanted
characteristics to breed.
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Recombinant DNA• A gene is taken from one organism and the
DNA is spliced (attached by DNA ligase) to the DNA of another organism.
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Transgenic Organisms• Produced when recombinant DNA is inserted
into the genome of a host organism.
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Clones• Genetically identical cells produced from a
single cell.
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Applications of Genetic Engineering: Agriculture and Industry
• Genetically modified (GM) crops– Example: Bt gene
• GM animals– Goats with spider genes
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Applications of Genetic Engineering: Health and Medicine
• Gene therapy- the process of changing a gene to treat a medical disease or disorder.
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Applications of Genetic Engineering: Personal Identification
• DNA fingerprinting- analyzes sections of DNA that vary widely from one individual to another.
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Ethics and Impacts
• Genetic Information Nondiscrimination Act (2008)
• Genetic testing for disease?• Do you have a patent on your DNA?• Safety of GM foods?• Are we justified in modifying an organism’s
DNA?