Why the Saudis are related to North Africans, distant from Bahrainis, and too far from the Arabs of Levant as Syrians?

The genetic distances ,using four markers HLA-A, -B, DRB1 and -DQB1, show that the Saudis are closely related to North Africans and Iberians, distant from Bahrainis, Emiratis and Omanis, and too...

04 April 2017 7,184 3 View