Pence is known in bioethics for his best-selling textbook “Medical Ethics: Accounts of Ground-Breaking Cases,” now in its 27th year and eighth edition, and his defense of humane biotechnology, such as cloning and genetically modified crops.

In 2000, he testified against bills to criminalize cloning before Congress and before the California Senate. He then defended cloning on national television on the CBS Morning Show, Talk Back with Gretta Van Susteren, and CNN News with Wolf Blitzer.

He has published more than seventy op-ed essays including ones in Newsweek, The New York Times, The Los Angeles Times, The Chronicle of Higher Education, and The Wall Street Journal. In his most recent book, What We Talk About When We Talk About Clone Club: Bioethics and Philosophy in Orphan Black, Pence explores issues raised about cloning and other mysterious science in BBC America’s hit sci-fi thriller, “Orphan Black.”