Well, we must be. From “What Have We Got in Common With a Gorilla? Insight Into Human Evolution from Gorilla Genome Sequence” (ScienceDaily, Mar. 7, 2012), we learn,
Researchers have just completed the genome sequence for the gorilla — the last genus of the living great apes to have its genome decoded. While confirming that our closest relative is the chimpanzee, the team show that much of the human genome more closely resembles the gorilla than it does the chimpanzee genome.
Before we were 99% chimpanzee, so … Hey, wait a minute … Don’t sign anything …