1. Cloning is unnatural and not ethically correct.

　　2. Cloning creates serious issues of identify and individuality and forces humans to consider the definition of self.

　　3. It leads to the psychological harms on cloned human children. One of those harms is the loss of identify, or sense of uniqueness and individuality.

　　4. The strongest ethical argument against cloning is that it could lead to a new, unfamiliar type of family relationship.

　　5. Another argument against cloning is that it would be available only to the wealthy and therefore would increase social inequality.