Ronald Parchem Browse All Authors Famous Quotes by Ronald Parchem Anytime you take a species and mix it with another, the host species [the one with the embryo] generally does better, if you take a rat cell and put it into amouse blastocyst[an early embryo], the rat cells are at a disadvantage. Thats why, in general, chimerism is very low. Ronald Parchem science They do not have to compete to generate the pancreas, and then, these other species of cells can then contribute a large proportion of cells that generate a particular tissue or organ. Otherwise, thats not very likely. Ronald Parchem science
