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Cloning The term "cloning" refers to three very different procedures with three very different goals. It is very unfortunate that the first though many people have when they hear the term cloning is of horror movies which have showed the creation of human monsters or of armies of super human soldiers. The reality of cloning is very different. The three types of cloning are: Embryo Cloning: This is a medical technique, which produces monozygotic (identical) twins or triplets. It duplicates the process that nature uses to produce twins or triplets. One or more cells are removed from a fertilized embryo and encouraged to develop into one or more duplicate embryos. Twins are thus formed, with identical DNA. This has been done for many years on various species of animals; only very limited experimentation has been done on humans. Adult DNA cloning: This technique involves removing the DNA from an embryo and replacing it with...

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