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Transcript
Cloning • Cloning is the process of producing genetically identical individuals • Use a single cell from an adult to grow an entirely new individual • The new individual will be genetically identical to the organism from which the cell was taken Cloning • Scientists thought it would be impossible to clone a mammal • In 1997 a sheep was successfully cloned • Since then cows, pigs, mice and other mammals have been cloned • Cloned animals may suffer from genetic defects and health problems Cloning • Cloning humans is scientifically possible • However it raises ethical and moral issues • As science improves, these issues will become more pressing • Do you think cloning and genetic engineering technology should be applied to humans? Gene Therapy Gene Therapy • If you have a gene that does not function, can you replace it with a functioning gene? • Gene Therapy: the insertion of genetic material into human cells to treat a disorder Two Types of Gene Therapy • Ex Vivo- outside the body – Remove tissue from patient – Genetically alter cells – Return cells to patient • In Vivo- inside the body – New gene is inserted directly into the body
