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Result of southern blot hybridization for BamHI-F region. Four specimens are seen in this figure, each sample was loaded in 2 lanes with and without enzyme, respectively from left. The first specimen was not amplified in this experiment. The other three specimens were not cleaved by Bam-HI enzyme which means they are wild-type F. (+: positive control; +/enz: positive control with enzyme; -: negative control).
