AP PSYCHOLOGY

Detailed explanation-1: -Gene therapies are being used to treat a small number of diseases, including an eye disorder called Leber congenital amaurosis and a muscle disorder called spinal muscular atrophy. Many more gene therapies are undergoing research to make sure that they will be safe and effective.

Detailed explanation-2: -Answer and Explanation: The correct answer is (b) Using retroviral or adenoviral vectors to introduce a normal copy of a gene into mutant cells. Gene therapy is a process which treats genetic diseases by introducing healthy DNA into cells that have mutated DNA.

Detailed explanation-3: -The cost of one-time gene therapies has been a thorny topic for health insurers over the past few years. The nature of single-dose curative treatments means pharmaceutical companies are likely to set incredibly high prices as their only way to recoup the development costs that go into producing these therapies.

Detailed explanation-4: -The average gene therapy is likely to cost at least $1.5 million, said Colin Young, director of drug development pipeline research at Tufts Medical Center’s NEWDIGS Initiative. Including oncology drugs, gene therapies could end up costing the U.S. around $30 billion a year, Young said.