Origins of Hutu, Tutsi and Twa of neighboring people, it was almost non-existent among Rwandan Tutsi. Presence of the sickle cell trait is evidence of survival in the presence of malaria over many centuries, suggesting differing origins. Regional studies of the ability to digest lactose are also supportive. The ability to digest lactose among adults is widespread only among desert-dwelling nomadic groups that have depended upon milk for millennia. Three quarters of the adult Tutsi of Rwanda and Burundi have a high ability to digest lactose, while only 5% of the adults of the neighboring Shi people of eastern Congo can. Among Hutu, one in three
Gikondo massacre Gikondo massacre The Gikondo massacre was the mass murder of about 110 people of Tutsi identity, including children, who sheltered in a Polish Pallottine mission church in , Kigali. The massacre took place on April 9, 1994 and was executed by Interahamwe militia under supervision of the Hutu presidential guard. The massacre was the first absolute proof of a genocide discovered by UNAMIR during the Rwandan Genocide in 1994. The Rwandan Genocide began on April 6, 1994, after the plane carrying Rwandan president Juvénal Habyarimana and Cyprien Ntaryamira, the president of Burundi on board was shot down while approaching the