When a complete gene or a specific nucleotide sequence is added (insertion) or removed (deletion) from DNA helices, these type of genetic variations are named as insertion or deletion, commonly abbre-viated "InDel". [1][2][3] InDel polymorphisms, which are biallelic length polymorphims, occur as a result of sequential mutations and are inherited to the offsprings according to Mendel's laws. 4 Although a