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Agarose gel electrophoresis of basic RAA in testing dilutions of blood DNA with poor quality. M, DL2000 DNA maker; 1, initial DNA preparation with no dilution; 2–6, DNA dilutions with double distilled water in a ratio of 1:10, 1:20, 1:40, 1:80, and 1:160. The number of blood sample are indicated in gel electrophoresis picture, which are consistent with Figure 8 .
