One aspect of a contemporary societal problem relating to human cloning are the practices used. The method of cloning and prolonging the growth of human embryos through various stages of development for the purpose of organ, tissue, stem cell, and bone marrow harvesting affect ethical societal values. The ethical implication of ending a human life for the purpose of cloning is a moral and ethical issue. Further research in cloning and growing organs or tissues in a lab without a human host are more ethical and humane practices in biomedical research.