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Gel electrophoresis of polymerase chain reaction. (a) M; markers (100-bp). 1–3; CTAB 1:10, 1:1000, 1:100000. 4–6; boiling 1:10, 1:1000, 1:100000. 7–9; Nonidet P-40, 1:10, 1:1000, 1:100000. (b) M; 100-bp size markers. 1–3, Chelex 100; 1:10, 1:1000, 1:100000. 4–6 FTA-card; 1:10, 1:1000, 1:100000. 7; Negative. 8; Positive control
