Utilization of citogenetic technics in paternity investigation

Th joint analysis of several genetic markers in casesof paternity investigation renders possible a cumulative probability of 99.7% of change of esclusion of a flasely accused father. The role of heteromorphism of the Y chromosome size was appraised in this work, with more than one genetic marker, in 20 expertise examinations in paternity investigation, where the children were male. The results found with found with this method, in association with the research on erythrocytic and leucocytic antigens showed the exclusion of two falsely accused men. Cytogenetic analysis with Giemsa stain in combination with leukocyte (HLA system) and erithrocyte antigens investigation demonstrated the exclusion of two men falsely accused