Semino et al. ( 2004 ) found 2 Ethiopian Oromo in a study of > 2400 individuals , including 78 Oromo .
This haplogroup is frequent in Southwestern Ethiopia , especially among Omotic - speaking populations .
Semino et al. ( 2004 ) found 2 Southwestern Ethiopia Oromo in a study of > 2400 individuals , including 78 Oromo .
This haplogroup is frequent in Southwestern Ethiopia , especially among Omotic - speaking populations .