A classic example of this resistance is the appeal for a UN convention on genetic technologies framed in terms of “the preservation of the human species” (Annas, Andrews, and Isasi 2002). Its advocates claim that any intervention that would “alter the essence of humanity itself by taking human evolution into our own hands and directing it toward the development of a new species sometimes termed the “post-human” should be considered a “crime against humanity” because it would undermine the “foundation of human rights” and set the stage for human extinction.