15868. CLONING: PROBLEMS AND PROSPECTS. This paper provides an overview of cloning. The paper describes the process by which the sheep Dolly and other mammals have been cloned, and points out that there have been serious problems with cloned animals thus far. Argues that the research on cloning is only in the very early stages, and much more work needs to be done before a truly successful cloning can be achieved. 6p., 17f., 6b.