Science has quite clearly and decidedly proven that a new, human life begins at conception (i.e. fertilization. AKA the moment sperm and ovum meet and form an entirely new, self-directing living organism of the human species with its own individual DNA distinct from both mother and father.). - See more at: http://fallibleblogma.com/index.php/when-does-science-say-human-life-begins/#sthash.Vvg3rs7G.dpuf