What is the X in X-mas?
bioethics bi·o·eth·ics (bī'ō-ěth'ĭks)
The study of the ethical and moral implications of new biological discoveries and biomedical advances, as in the fields of genetic engineering and drug research.
branch of applied ethics that studies the philosophical, social, and legal issues arising in medicine and the life sciences. It is chiefly concerned with human life and well-being, though it sometimes also treats ethical questions relating to the nonhuman biological environment. (Such questions are studied primarily in the independent fields of environmental ethics [see environmentalism] and animal rights.)