If so, where they had lived?
The Sea of Marmara and Sahara were two other important sources of human reservoirs present during Neolithic.
Lactase persistence genes first arose among R1b-dominant people-the Fulani, a Chadic-speaking tribe of pastoralists. The African Fulani and Europeans share the origin of this mutation and also share a dairy culture.
R1b Europeans descended from one to three men, whose numbers expanded more than a thousandfold.