Although Luis et al. (2004) in a more general study on bi-allelic markers in many African countries found a statistically significant genetic difference between Tutsi and Hutu, the overall difference were not large.
Iako Luis et al. (2004) u općenitijem istraživanju o bi-alelskim markerima u mnogim afričkim zemljama nalazi statistički značajnu genetsku razliku između Tutsija i Hutua, ukupna razlika nije bila velika.