|MadSci Network: Genetics|
I am assuming you are asking "How similar is the DNA compostion of Apes and Humans?" Most researchers and genetics/evolution texts say that thee is a difference in Human and Ape DNA of only 2%. Meaning we are 98% similar! The physical and behavioral differences between Apes and Humans may predominately arise from the way our genes interact with each other in our bodies. That is, Apes and Humans have many of the same genes but how those genes interact differ at varying developmental stages. References: Any Genetics or Evolution Text book.
Try the links in the MadSci Library for more information on Genetics.