Answer:
Gene therapy replaces a faulty gene or adds a new gene in an attempt to cure disease or improve your body's ability to fight disease. Gene therapy holds promise for treating a wide range of diseases, such as cancer, cystic fibrosis, heart disease, diabetes, hemophilia and AIDS.
Explanation:
Fertilization, mitosis, meiosis, birth
Answer:
scientific theories must be tested by more than one individual multiply times for it to become scientific law
