10! skeletal,muscular,nervous,endocrine,cardiovascular,lymphatic,respiratory,digestive,urinary and reproductive system
DNA provides the information for cell growth and function.
"D: A new gene, which codes for the protein that can repair defective genes, is introduced."
Explanation: <span>Gene therapy is an experimental technique that uses genes to treat or prevent disease. In the future, this technique may allow doctors to treat a disorder by inserting a gene into a patient’s cells instead of using drugs or surgery.</span>
The moon the sun and the earths gravitational pull