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Many new pesticides are produced for use every year. Fungicides, one of the important subgroups of pesticides, are used to protect agricultural products from fungal infections. However, studies on the genotoxic potential of fungicides are still very limited. In this study, the genotoxic potentials of four commonly used fungicides (metiram, kresoxim-methyl, propamocarb and hymexazol) were investigated using the Drosophila Somatic Mutation and Recombination Test (SMART) and the Drosophila Single Cell Gel Electrophoresis Test (Drosophila Comet Test). Drosophila, which has been widely used in genetic studies in recent years, provides a powerful system in the use of genetic and molecular approaches in human genetic diseases research. As a model organism, Drosophila is in many ways similar to human systems. According to the results obtained from the study, it was determined that 4 fungicides whose genotoxic effects were investigated by SMART method did not induce genotoxicity. In the KOMET experiment, it was determined that the studied fungicides caused DNA single strand breakage. This study provides new data on the potential effects of pesticides on human health and possible genetic diseases. [ABSTRACT FROM AUTHOR]