Humans share 98% of the same DNA with chimpanzees but that does not mean we are 98% identical. DNA are a set of instructions; little differences in instructions can result in big differences in species variation.

Originally released by Smithsonian Media, 2014. Streaming video file encoded with permission for digital streaming by Infobase on March 10, 2015.

Can Chimps Be Genetically Engineered to Be Like Humans?: Ask Smithsonian (2:00); .