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Human Technology-Genetically Modified Organisms PowerPoint Presentation

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Description : Check out this medical titled "Human Technology - Genetically Modified Organisms, Artificial Selection, Selective breeding, Animal husbandry, Gene therapy”.

This medical is about the connection between the human genetics and technology. This connection and interaction is obvious with advances in technology continually expanding our ability to understand and manipulate the human genome.

Few ways in which technology has impacted human genetics include DNA Sequencing, Gene Editing, Personalized Medicine, and Genetic Testing.

The intersection of genetics and technology has the potential to transform medicine and our understanding of human biology, but it also raises important ethical and social questions that must be carefully considered.

Tags : Genetically Modified Organisms, Artificial Selection, Selective breeding, Animal husbandry, Gene therapy, human genetics, Medical Genetics, Medical Genetics

Published on : Jun 01, 2023 | Views : 546 | Downloads : 0

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Slide 1-

Human Technology Genetically Modified Organisms, Artificial Selection, Selective breeding, Animal husbandry, Gene therapy
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Video http://bcove.me/hmp88kls
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Essential question: How have humans used technologies to influence the inheritance of desired traits in organisms? Genetic Modification GM stands for 'genetically-modified‘ describes the process by which scientists are able to pinpoint the individual gene Remove gene, copy it, place it in new organism produces a desired outcome Selective Breeding the intentional mating of two animals or plants produces offspring with desirable traits Can also get rid of unwanted traits Animal Husbandry Selective Breeding of animals only Concerned with the production and care of domestic animals Gene Therapy Technique that uses genes to treat or prevent disease. May allow doctors to treat a disorder by putting a gene into a patient’s cells No need for drugs or surgery.
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GENETICALLY MODIFIED ORGANSIMS
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Reasons for Genetically Modifying Organisms Produce faster growing crops or animals Produce plants that are more resistant to pests Rainbow Papaya Produce crops that are drought resistant Produce foods that stay ripe longer Endless Summer Tomato Research: Drug development Commercial reasons Fluorescent fish for pets Increase yield of crop Reduce cost that is passed to consumer Enhance the nutritional value of a food Golden Rice
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Process to make Genetically modified Organisms The first GMOs were bacteria in the early 1970s. Most basic modifications are designed and prepared using bacteria (usually E.Coli) and then transferred to the target organisms.
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Controversy of Genetically modified organisms Controversy over GMOs in general: Genetic modification is placing the genes of one species into another unrelated species. Some modifications are created by corporations to make crops resistant to pests or to certain chemicals. Controversy over GM foods: Have they been tested enough to prove they are safe? Could pesticide resistant plants become toxic? Could peanut genes inserted into soybeans cause unexpected allergic reactions? What evidence is there of problems with GM crops? Some studies have shown negative results for lab animals that ate GMO foods. Those foods were not meant for human consumption There are not very many studies that show these negative results. Other scientists have criticized and questioned some of these studies. Video - http://www.cbsnews.com/news/gmo-food-labeling-inside-the-controversy/
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Pros and cons of GMO Food Pros Higher crop yields Reduced need for herbicides and pesticides Improved food quality Increased nutritional value Cons Possible allergies Unpredicted changes to the ecosystem Chance of new diseases developing
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SELECTIVE BREEDING AND ANIMAL HUSBANDRY
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Reasons for Selective Breeding Improve food production Better able to fight off pests More fit and stronger animals Cows that give more milk Chickens that lay bigger eggs Selective Breeding – Plants and Animals Animal Husbandry – Animals only Typically for farming and agriculture We choose the characteristics we want: Dogs with a good sense of smell, hearing etc.
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Process of Selective Breeding Decide which characteristics are important Choose parents that show these characteristics Select the best offspring from parents to breed the next generation Repeat the process continuously Human controlled Natural Selection/Evolution
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Controversies of Selective breeding Animal Rights: Should animals have the right to select their own breeding partners? Unnatural It doesn’t occur in nature, does that make it wrong? Benefits to humanity Better/more plentiful food. Service animals Humans have been using selective breeding for thousands of years already.
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GENE THERAPY
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Reasons for Gene Therapy To alter genes to correct genetic defects prevent or cure genetic diseases. Not to be confused with Genetic engineering which changes the genes to make the organism better than normal. Possibility to cure deadly diseases like cancer
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Process of Gene Therapy Three different ways: Replacing a mutated gene that causes disease with a healthy copy of the gene Inactivating, or “knocking out,” a mutated gene that is functioning improperly Introducing a new gene into the body to help fight a disease
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Controversies of Gene Therapy Pros: Could wipe out genetic diseases Prevent genetic disorders in future generations for families who know they have it in their bloodline Cons: Still a dangerous and difficult process When used in unborn children, not sure of effects Child doesn’t have a choice