Figure 1: Agarose gel electrophoresis of TP53 gene: a) Codon 72 Polymorphism: P1-homozygous arginine, P2-heterozygous Arg/Pro, P3-homozygous proline and L8–negative control, L1:100bp molecular weight marker. b) Codon 168 mutation: P1 and P3-codon 168 mutant, P2-codon 168 normal, C-negative control c) Codon 282 mutation: P1 and P3-codon 282 mutant, P2-codon 282 normal, C-negative control , L:100bp molecular weight marker.