Find out what our ape cousins can and can't do and investigate exactly what is in the less-than-two percent of DNA that makes us the human ape. The claim is often made that humans are really just apes and that as much as 98.4 percent of our DNA is shared with chimpanzees. But how similar are the two species in reality? Find out what our ape cousins can and can't do and investigate exactly what is in the less-than-two percent of DNA that makes us the human ape.