Experiments explain why almost all multicellular organisms begin life as a single cell | Science News | Scoop.it
From www.physorg.com - December 15, 2011 3:53 PM
Any multicellular animal, from a blue whale to a human being, poses a special difficulty for the theory of evolution. Most of the cells in its body will die without reproducing, and only a privileged few will pass their genes to the next generation.