> Isn't there a complicated process that > has to happen before during and after "conception" yes, it is called evolution. The embryo evolves, develops a squeletton, a digestive tract and a nervous system. Some religions have definite time lines to determine when a bunch of cells becomes a being. For others, it happens at birth when the being is capable of breething , eating and communicating Have a look at: http://en.wikipedia.org/wiki/Prenatal_development well explained. The cells used for research are usually 5 days old after fertilization maryse ---------------------------------------------------------------------- To sign-off Parkinsn send a message to: mailto:[log in to unmask] In the body of the message put: signoff parkinsn