Africans bearing the E-V38 (E1b1a) likely traversed across the Sahara, from east to west, approximately 19,000 years ago. E-M2 (E1b1a1) likely originated in West Africa or Central Africa. According to a Y-DNA study by Sims et al.
Based on genetic evidence, it is believed that individuals with the E-V38 (E1b1a) haplogroup migrated across the Sahara from east to west approximately 19,000 years ago. The E-M2 (E1b1a1) lineage likely originated in West or Central Africa, as determined by a Y-DNA study conducted by Sims et al.