You mention the first Dynasties, but did you know that this is a bust of Egypt's first Dynastic King?
While I'm not that interested in eye balling statuary those facial features don't exactly scream European or even Middle Eastern to me, instead they look like those one's quite commonly seen in tropical Africa. The Sphinx is no different.
As matter of fact an anthropologist whose work was heavily praised by Afrocentric critic Mary Lefkowitz had concluded that ruling class of the Pre-Dynastic population of Upper Egypt were more closer to certain Nubian populations than to upper Egyptians (perhaps indicating that they were more Nilotic as opposed to Ethiopic/or perhaps evolutionary factors as a result of agricultural development):
What is your take on all of this evidence? Do you have any counter biological evidence that justifies your skepticism of this theory?
The Egyptian civilization as we know it is 5,000 years old. This around the time period when both the North and the south were unified (Dynastic civilization and the vast majority of the Pre New Kingdom population originated in southern Egypt not the north). The focus on the populations directly prior to this time (Pre-Dynastic era) is of interest because it explains what populations were directly responsible for the creation of Dynastic Egyptian civilization.
Renown Egyptologist Robert Bauval is a modern leader in Pre-Dynastic histories of ancient Egypt. His book the "Black Genesis" gives insights into the much earlier cultures of the Egyptian Sahara. He also recently gave his opinion on this very issue of original Egyptian race: