An illustration depicts an early stage human embryo following the union of an egg cell and a sperm cell. The new Vatican document « Dignitas Personae » (« The Dignity of a Person ») warns that certain recent developments in stem-cell research, gene therapy and embryonic experimentation violate moral principles and reflect an attempt by man to « take the place of his Creator. » (CNS illustration/Emily Thompson) (Dec. 12, 2008) See BIOETHICS-INSTRUCTION (UPDATED) and BIOETHICS-SOUL Dec. 12, 2008.

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