Scientific Article #2: Why you can read this-and Why the Chimp can't. . .
Research has proved that humans and chimpanzees have many gene similarities but one of the major differences between the two is how often genes switch on and off. It is stated that the two species are about 98.7 percent identical; however after measuring the activity of nearly 18,000 genes shared among the species the number of genes and proteins they expressed differed. The difference was at least five times more apparent between humans than among the other species in the study. Scientists concluded that sometime in the recent evolutionary past, changes in the gene expression must have been accelerated in the human brain. This acceleration it seems, is the key difference between humans and chimpanzees.
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