Source: Population Continuity or Population Change: Formation of the Ancient Egyptian State (AMERICAN JOURNAL OF PHYSICAL ANTHROPOLOGY) 2007 A.D.
Page 506 of this source confirms that throughout predynastic and Dynastic Egyptian periods, there was black, racial continuity that is indicated with the Badarian population’s dental samples. The Badarian population had a morphological cluster with Nubian, Tigrean, and other southern (or \Negroid”) groups.
The rest of this study confirms what other notable scholars have noted which is ancient Egypt gained racial admixture over its existence through various means which goes along with the term some scholars often use which is “Egyptians were Egyptians”. However, from its emergence to its collapse, there has always been a black presence in ancient Egypt which aligns with the Bible stating Mizraim was the brother of Cush and the descendant of Ham.