KEY CONCEPT Genetics provides a basis for new medical treatments.
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Transcript of KEY CONCEPT Genetics provides a basis for new medical treatments.
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9.6 Genetic Screening and Gene Therapy
KEY CONCEPT Genetics provides a basis for new medical treatments.
![Page 2: KEY CONCEPT Genetics provides a basis for new medical treatments.](https://reader036.fdocuments.us/reader036/viewer/2022070400/56813514550346895d9c6784/html5/thumbnails/2.jpg)
9.6 Genetic Screening and Gene Therapy
Genetic screening can detect genetic disorders.
• Genetic screening involves the testing of DNA.– determines risk of having
or passing on a geneticdisorder
– used to detect specificgenes or proteins
– can detect some genesrelated to an increasedrisk of cancer
– can detect some genesknown to cause geneticdisorders
DMD N
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9.6 Genetic Screening and Gene Therapy
Gene therapy is the replacement of faulty genes.
• Gene therapy replaces defective or missing genes, or adds new genes, to treat a disease.
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9.6 Genetic Screening and Gene Therapy
• Several experimental techniques are used for gene therapy.
– genetically engineered viruses used to “infect” a patient’s cells
– insert gene to stimulate immune system to attack cancer cells
– insert “suicide” genes into cancer cells that activate a drug
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9.6 Genetic Screening and Gene Therapy
• Gene therapy has many technical challenges.
– inserting gene into correct cells– controlling gene expression– determining effect on other genes