Some people are very uneasy about creating a human embryo and then dismembering it, however early the stage, to obtain embryonic stem cells from which useful tissues might be grown. However there are many other ethical issues. Humonkeys are within our capability and have been for several years. These questions will need facing sooner than you may think. Christians, Muslims and Jews believe that humans are made in the image of God.
Human life is a mystery.
Dr Patrick Dixon is author of Futurewise , and is heavily involved in media debates on genetics.