Human cloning is basically the extraction of a cell from a human which is then combined with a egg to add human quality's from its host or (exact copy or reproduction)
A clone would only have one...
Human cloning is very controversial in the world, some people think it is wrong. Animal cloning is less controversial, but like animal testing of shampoos etc., some people are against it.
Technically no. An animal has roughly the same genetic makeup as a human and it should be theoretically the same. However there are serious ethic implications to cloning a human as cloning...