Are we the same or different?

[Purple Rabbit]

Even if we were able to make an exact clone of a person, and I mean exact down to level of the atoms and fundamental particles making up the cells, and even if we could copy all memory exactly from the original to the clone, one simple reason would garantee that the clone and the original have separate identities: the matter from which the identity and consciousness of the original arises is not the same matter from which the identity and consciousness of the clone arises: there are two heads and therefore two separate identities.