Cloning is a identical (the same) copy of another human. The term is generally used to refer to an artificial human cloning; human clones are usually said as identical twins. Cloning is popular with couples that are unable to have babies and help them gain parenthood
Cloning human tissues are extremely beneficial as it can be used to replace malfunctioning organ. For example, if you have lung disease an exact clone of lungs can be created and replaced. Couples that are incapable of giving birth to their own baby, cloning can help them realize parenthood
It is very risky due to things going wrong like, they may be brought into the wrong family, they could be disabled and the parents might want the perfect child.
Many people clone because a person is seriously ill and is going to die and their parents want a fresh start