Cloning is asexual reproduction in which an exact genetic copy of another plant, animal or human is made by fusing the DNA from an adult cell into a human egg from which the genetic material has been removed, causing it to divide and grow. By definition of the National Academy of Sciences, a clone is an exact genetic replica of another organism.

The development of human cloning will require the deliberate sacrifice of human embryos. This use of human life merely as a means to an end is morally unacceptable. There are also scientific reasons to oppose human cloning, such as the potential for mutation, transmission of mitochondrial diseases and the negative effects from the aging genetic material. In addition, societal reasons to be hesitant about include questions about parentage, lineage, family structure and the uniqueness of the individual.

Identical ginger twins looking at each other in studio
More files of this series and model on port. Made with professional make-up.

Stem Cell Research

Stem cells are master cells in the body that can turn into many different types of specialized cells. They have the ability to divide for an indefinite period of time. Other cells cannot do this. For more research facts about stem cells, visit

The field of stem cell research offers great promise for the advancement of medical science. Adult stem cells, which are derived from body tissues such as bone marrow, fat, heart, lunch, etc., are presently being used to treat a variety of illnesses. However, the isolation of human embryonic stem cells have raised moral concerns because current methods of procuring embryonic stem cells require the destruction of human life. Technology and research must not involve the abuse or destruction of human life.

Latest Information

The following information focuses on the latest information about the ethics of cloning and stem cell research:

"Human cloning is deeply troubling to me, and to most Americans. Life is a creation, not a commodity. Our children are gifts to be loved and protected, not products to be designed and manufactured. Allowing cloning would be taking a significant step toward a society in which human beings are grown for spare body parts, and children are engineered to custom specifications; and that's just not acceptable."
—President George W. Bush

The American Academy of Medical Ethics promotes the interests of medical educators, medical practitioners and scientists, the care and well-being of patients, the protection of public health, and the betterment of the medical profession, as well as protects and promotes the historical values that have provided the longstanding foundation for Western healthcare. We foresee the standard of healthcare in North American once again defined by the Hippocratic tradition.

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