"The data at the core of life is not disorganized, it's not simply orderly like salt crystals, but it's complex and specific information that can accomplish a bewildering task—the building of biological machines that far outstrip human technological capabilities" (p. 244).
For instance, the precision of this genetic language is such that the average mistake that is not caught turns out to be one error per 10 billion letters. If a mistake occurs in one of the most significant parts of the code, which is in the genes, it can cause a disease such as sickle-cell anemia. Yet even the best and most intelligent typist in the world couldn't come close to making only one mistake per 10 billion letters—far from it.
So to believe that the genetic code gradually evolved in Darwinian style would break all the known rules of how matter, energy and the laws of nature work. In fact, there has not been found in nature any example of one information system inside the cell gradually evolving into another functional information program.
Michael Behe, a biochemist and professor at Pennsylvania's Lehigh University, explains that genetic information is primarily an instruction manual and gives some examples.
He writes: "Consider a step-by-step list of [genetic] instructions. A mutation is a change in one of the lines of instructions. So instead of saying, "Take a 1/4-inch nut," a mutation might say, "Take a 3/8-inch nut." Or instead of "Place the round peg in the round hole," we might get "Place the round peg in the square hole" . . . What a mutation cannot do is change all the instructions in one step—say, [providing instructions] to build a fax machine instead of a radio" ( Darwin's Black Box , 1996, p. 41).
We therefore have in the genetic code an immensely complex instruction manual that has been majestically designed by a more intelligent source than human beings.
Even one of the discoverers of the genetic code, the agnostic and recently deceased Francis Crick, after decades of work on deciphering it, admitted that "an honest man, armed with all the knowledge available to us now, could only state that in some sense, the origin of life appears at the moment to be almost a miracle, so many are the conditions which would have had to have been satisfied to get it going" ( Life Itself , 1981, p. 88, emphasis added)