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Photograph of the KRAS rs61764370 Polymorphism Using PCR-RFLP. The T allele was digested by HinfI restriction enzyme and produces 80-, 135-, and 161-bp fragments, but the G allele produces 296-and 80-bpfragments. M: DNA marker; Lanes 1, 2, 4, and 6: TT; Lanes 3, and 5:TG.
