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I'd like to add a comment about the opposition between stem cell cloning or full babies cloning, in reaction with comments I have read or heard recently.

Most people tend at least to agree that cloning stem cells for medical reason is a good thing. What people are usually affraid of is to see an army of 100 people the same like in some sci-fi movies. I don't know why anyone should do that. I am not against regulations of such excess.

However, I don't see any problem with cloning a baby to the image of someone (most likely an adult). The baby would have the same DNA, but would be born at a different epoch, place and have a completely different life whatsoever. Our environment and education are certainly play a much more essential role in the development of one's personality and conduct that the genes alone. Even intelligence is nothing genetically without a good education, nutrition and a positive environment. Just take 2 (real) twins, separated from birth and raised in completely different families, social background, even in different languages. These twins, sharing the same DNA, will have little in common except the physical appearance and maybe resistance, immunity, etc. I know that because I have read a lot about such cases of twins in psychological, educational or neuroscientific books. I know a few real twins myself. A pair of them, raised in the same family, looked exactly identical, but once you got to know them, they had very different interests and quite different character too (one was much kinder than the other, for instance).

Therefore, I am almost convinced that if you cloned a Hitler or Einstein, the clone, raised in a different world, the former would not become a dictator or racist, and the latter probably not a reknown genius (but possibly a mathemtician or scientist). At best, they could clone Brad Pitt and still have a handsome clone, but not necessarily bound to become an actor.