KEY CONCEPT Genetics provides a basis for new medical _____________.

Genetic screening can detect genetic disorders. Genetic __________ involves the testing of DNA. determines risk of having or passing on a _______ disorder used to detect specific _____ or _______ can detect some genes related to an increased risk of ______ can detect some genes known to cause ______ disorders DMD N

Gene therapy is the replacement of faulty genes. Gene therapy replaces ______ or missing _______, or adds new _______, to treat a disease.

Several experimental techniques are used for gene ________. genetically engineered ________ used to “infect” a patient’s cells insert ______ to stimulate immune system to attack cancer cells insert “suicide” _____ into cancer cells that activate a drug

Gene therapy has many ________ challenges. inserting gene into ________ cells controlling gene _____________ determining effect on other ____________