cloning or genetic modification
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Cloning or Genetic Modification. What’s the difference?. In the novel Jurassic Park by Michael Crichton:. S cientists used ancient dinosaur DNA trapped in amber to clone extinct species. They designed a theme park around this idea to earn profits on tourism. - PowerPoint PPT PresentationTRANSCRIPT
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CLONING OR GENETIC MODIFICATIONWhat’s the difference?
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In the novel Jurassic Park by Michael Crichton:• Scientists used ancient
dinosaur DNA trapped in amber to clone extinct species.
• They designed a theme park around this idea to earn profits on tourism.
• The cloned dinosaurs eventually became uncontrollable and the scientists abandoned their project, sacrificing many lives along with their investment.
https://www.flickr.com/photos/ffg/3113602118/ Dave Walker/CC.BY.2.0
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What’s Your Opinion?• Do you think there was anything the scientists could have done to reduce the risk?
• Is there any way to bring extinct organisms back by any other means?
http://images.cdn.fotopedia.com/flickr-457428714-original.jpg Scott KinmartinCC.BY.2.0
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Many organisms have been cloned in the past 50 years with varying success
• Mice, cattle, sheep, cat, deer, dog, horse, mule, ox, rabbit and rat, and a rhesus monkey have all been cloned.
• Some lived longer than others.
• Dolly the sheep (cloned in 1996) only lived about 6 years.
Courtesy: National Human Genome Research Institute
http://en.wikipedia.org/wiki/Dolly_%28sheep%29
Steven Walling/CC. BY-SA 2.0
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Cloning vs. Genetic Modification• Cloning humans is currently not allowed by law in any country on Earth.
• Genetic modification is currently used to replace or repair mutated genes or to add new traits to an organism.
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Genetic Modification • Defined as changing the genes of an organism using
biotechnology. • Usually involves one gene, or a few genes, that contain
instructions for a specific trait.• This has an effect on the resulting trait in the organism.• Can be used to replace or repair existing genes, or
introduce brand new genes for new traits.
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Genetically Modified Organisms
http://commons.wikimedia.org/wiki/File:GloFish.jpgCC.BY.2.0
Glofish and Green Luminescent Mice
http://commons.wikimedia.org/wiki/File:VegCorn.jpgCC.BY.2.0
Sweet Corn
http://en.wikipedia.org/wiki/Genetically_modified_food#mediaviewer/File:Papaya_sunset.jpgCC.BY.2.0
Hawaiian Papaya
• Some modified traits are easily visible like these glowing animals.
• And some modified traits are not easy to see, such as the disease resistance introduced to these fruits and vegetables
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Where we go from here:1. Using the website Learn.Genetics, you will find out how
cloning and genetic modification are actually done.2. Complete all answers on your answer sheet.3. Peer review a friend’s answers, correct if needed. Give
back to your friend. 4. Organize your new ideas with a graphic organizer.5. Move around to discussion stations, decide how far you
would go in gene modification or cloning.6. Assessment: You are the editor of a magazine! Readers have
submitted questions about genetic modification and cloning, and you correct their misconceptions. Be as specific as you can to show what you know!