Figure 2

PCR products of primary amplification subsequent to bisulfite treatment. Lanes 1 and 2 show the 402 bp and lanes 3 and 4 the 320 bp PCR products. Either of the above PCR products could be used for secondary nested amplification.
PCR products of primary amplification subsequent to bisulfite treatment. Lanes 1 and 2 show the 402 bp and lanes 3 and 4 the 320 bp PCR products. Either of the above PCR products could be used for secondary nested amplification.