@puzz: Bio 101 and an introductory genetics class could really help you, man. PZ Myers' point is a conservative one that reminds scientifically ignorant readers like us of the complexities that transcription factors, promoters, enhancers, repressors, inducers, and other regulators at the GENETIC level bring into this…

... as opposed to a picture flight. oh, boy.

@Canon7D-Fanboy: It is indeed a shame your mother never had a chance to play this :(