more complicated than embryo cloning. First, DNA is taken from an adult animal and then transferred into an embryo that has had its DNA removed. The embryo will grow into a new animal with the same DNA as the donor. So far, reproductive cloning has only been performed with animals. However, if given permission, scientists feel they are ready to begin experimenting with humans. The study of human reproductive cloning could allow a heterosexual couple, in which the husband was completely
             ...