Waar is die ene voorouder van mens en chimpansee?

Die is harstikke dood & vergaan.

Daarnaast is de aanname dat er een voorouder is onnauwkeurig. Er zijn zeer vele generaties gezamelijke vooorouders geweest, in diverse vormen.

Toegevoegd na 3 minuten:
Als je verwijst naar Ardi, een voorouder, en de tot nu toe oudst bekende fossiele voorouder van de mens, lees dan dit artikel [http://davidkirkpatrick.wordpress.com/2009/10/01/introducing-the-new-oldest-pre-human/] in het engels waar onder andere in staat:

After the bones were excavated at the site, they were molded and painstakingly removed from their protective plaster jackets in the laboratory in Addis Ababa, where they were then photographed and reconstructed. Micro-CT scanners were used to study the inner and outer anatomy of the bones and teeth, and scanning electron microscopes were used to study the structure and surface details. The 5,000 micro-CT slices through the broken skull allowed the team to reconstruct it on a computer and then “print” it on a 3-D stereolithic printer at the University of Tokyo. A cast of Ardi’s skull, along with video and comparisons, can be seen now in the Human Evolution display on the second floor of UC Berkeley’s Valley Life Sciences Building.