D) Cloning is a useful technique for producing tangence farm animals and is likely to be used for producing clones from valuable adults. E) It has also become a well-recognized tool in forensic sciences, to identify the origins of blood and other fluids. At the same time PCR and its close scientific relative, cloning, play a major role in efforts to understand the disease process F) Cloning for research and therapy holds great potential for future research and therapeutic applications, but it also raises various concerns