TerziÄ Rifet Belong to The Frequency of C677T Methylenetetrahydrofolate Reductase (MTHFR) Polymorphism in Southern East Bosnian Population Department of Division of Genetics Specialization in different fields C677T Methylenetetrahydrofolate Reductase (MTHFR) polymorphism; PCR; RFLP is working in the Faculty of Science, University of Tuzla, Univerzitetska 4, 7500 Tuzla, Bosnia and Herzegovina