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.
Dolly is a case of reproductive cloning, the aim of which is to create offspring. Reproductive cloning is to be distinguished from cloning for therapy and research, sometimes also referred to as âtherapeutic cloningâ. Both reproductive cloning and cloning for research and therapy involve SCNT, but their aims, as well as most of the ethical concerns they raise, differ.