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Representative gel picture of polymerase chain reaction amplification (A) and restriction fragment length polymorphism using BglI (B) for K-RAS codon 13. The arrow represents the 157 bp amplicon and M denotes the DNA marker (100 bp). Lane M represents a DNA marker (100 bp). Lanes 2, 3, 6, 7, 8, 9, 10, and 11 represent the mutant band (undigested) of 157 bp. Lanes 1, 4, 5, and 8 represent a wild band (digested) of 125 bp.
