ABSTRACT
This study is about the placement of genetic markers of the "erythrocytaire ABO system". The area of study is the people of the central region of Upper Volta that is to say the following ethnic groups: Mossi, Bissa, Gourounsi, Samo, Peulh. The analysis of results permits us to conclude that the population of the central region is divided into two distinct groups: one group made up of the Bissa, Mossi, Gourounsi, Samo ethnic groups, constituting with respect to the "system ABO" a uniform population. And secondly a group constituted by the Peulh ethnic group which is different from the first group. The calculation of the inter-ethnic "genetic-distances" permits to see the similarities and the differences that one can conclude and discover between the diverse groups. Some studies to take place in the future in the east and west will permit us to further complete the map of "genetic distances" between ethnic groups of Upper-volta.
