The word "clone" derives from the Greek term klon, meaning a "sprout" or twig. (Jackson,2001)In technologic meaning, cloning is a transplantation of an entire nucleus and not of specific genes, it is nevertheless an attempt to produce a child with certain traits. Human cloning falls conceptually between 3 other technologies. And the types of cloning are reproductive, embryo and therapeutic cloning. (www.biology-online.org) It has some advantages and disadvantages. However, there are some ethical, social or legal discussions about human cloning.
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