Final answer:
Gene therapy is a medical technique that replaces defective genes with healthy ones, aiming to treat or prevent diseases.
Step-by-step explanation:
Gene therapy is a medical technique that aims to treat or prevent diseases by modifying an individual's genetic material. It involves the introduction of healthy genes into the cells of a person with a genetic disorder, replacing the defective genes.
This method can effectively cure certain diseases caused by defective genes by replacing them with healthy ones. However, it is important to note that gene therapy is still a developing field and not all diseases can currently be treated through this method.
Learn more about Gene therapy and its potential in treating diseases