What is the primary goal of gene therapy?

• A. To mutate genes for research purposes
• B. To replace or correct faulty genes for disease treatment
• C. To enhance phenotypes in organisms
• D. To identify all possible genetic disorders

Answer: (B)

The primary goal of gene therapy is to replace or correct faulty genes for disease treatment. This approach is designed to address the underlying genetic causes of various diseases, particularly those that are inherited and caused by mutations in specific genes. By introducing a healthy copy of a gene or repairing the defective one, gene therapy aims to restore normal function to cells, potentially alleviating or curing genetic disorders.

This method has the potential to treat a range of conditions, from genetic disorders such as cystic fibrosis or sickle cell anemia to some types of cancer. The focus is on achieving therapeutic effects by directly modifying the genes within a patient's cells, which distinguishes it from other areas of genetic research that might involve altering genes for experimental purposes or exploring genetic variation without an emphasis on treatment.