Origins of Hutu, Tutsi and Twa phenotype, genotype, cultural memory of inhabitants of Rwanda, archeology, and linguistics. Most Tutsis and Hutus carry the E1b1a paternal haplogroup, which is common among Bantu populations. More recent studies have de-emphasized physical appearance, such as height and nose width, in favor of examining blood factors, the presence of the sickle cell trait, lactose intolerance in adults, and other genotype expressions. Excoffier et al. (1987) found that the Tutsi and Hima, despite being surrounded by Bantu populations, are "closer genetically to Cushites and Ethiosemites". Another study concluded that, while the sickle cell trait among the Rwandan Hutu was comparable to that
Rape during the Rwandan genocide to be an act of genocidal rape. The mass rapes were carried out by the Interahamwe militia and members of the Hutu civilian population, both male and females, the Rwandan military, and the Rwandan Presidential Guard. The sexual violence was directed at the national and local levels by political and military leaders in the furtherance of their goal, the destruction of the Tutsi ethnic group. There was extensive use of propaganda through both print and radio to incite violence against women, with both mediums being used to portray Tutsi women as untrustworthy, and as acting against the Hutu majority. The