A waiver is a formal statement giving up a right. If you go on a school trip, your mom might sign a waiver saying that the school is not responsible if you get hurt on the trip. When you sign a waiver, youâre voluntarily giving up a privilege or legal right. A waiver is often required before you participate in something dangerous.
Strictly speaking, cloning is the creation of a genetic copy of a sequence of DNA or of the entire genome of an organism. In the latter sense, cloning occurs naturally in the birth of identical twins and other multiples.
Cloning to make stem cells. Stem cells build, maintain, and repair the body throughout our lives. Because these are processes that stem cells do naturally, they can be manipulated to repair damaged or diseased organs and tissues.