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In reply to the discussion: Fox News host Megyn Kelly says Jesus and Santa are white [View all]DhhD
(4,695 posts)Genetic Markers of decedent families should be studied:
http://humanorigins.si.edu/evidence/genetics/skin-color
I believe that people living in Ur around the time that Abraham left Ur, were mainly white due to the latitude. Most Bbiles have a map in the appendix that shows this route almost straight west. Then Abraham fathered the child, Ismael with an Egyptian hand maiden of his wife, Sara. The Egyptian woman returned with her child to Egypt. The next year, Abraham's wife, Sarah gave birth to Issac, The Promised Child who bacame the father of Jacob/Israel. You can follow the line/generations of Jacob's 12 sons in the first chapter of The Book of Matthew in the New Testament. Christ was born of Mary, a decedent of Jacob and later, Aaron, Levite Priest and brother of Moses. See The Old Testament.
http://ishmaelandisaac.org/
The Cush Peoples of far southern Egypt were black. Africans are variously colored due to gene expression, which has to do with the amount of melanin pigments in the skin. Having all six genes and their expression, makes enough melanin pigment for a person to have very dark skin. Melanin is a brown pigment (protein). (There are other skin coloroing pigments besides brown ones.)
It takes only about 2000 years of human generations to evolve to very white skin by living in low sunlight radiants in the very northern latitudes.