46 Cloning help childless couples to have children and the child has the DNA qualities of both parents
47 We prevent endangered animals from extinction by cloning
48 Moreover, it brings about the recreation of species that have disappeared
49 Many people believe that cloning is used to replace failing organs and people don't worry about organ donations
50 Cloning is very helpful in the research for genetics because genetic reseachers have better understanding of structures of genes




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