Agarose gel electrophoresis (2%) showing IL10 gene polymorphism. Lane 1 represents 100 bp ladder, Lanes 2 and 3 contain heterozygous samples 1, Lanes 4 and 5 contain heterozygous sample 2, Lanes 6 and 7 contain heterozygous sample 3, Lanes 8 and 9 contain homozygous (AA) sample 4 and, Lanes 10 and 11 contain heterozygous sample 5.