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Map of the human H19-associated DMR. On the bottom line the CpG sites are represented by beads, and single nucleotide polymorphisms are represented by small boxes. In the region studied by us, there are 25–27 CpG sites (CpG sites 8 and 26 are polymorphic; C/T). CpG sites 5–9 are located in the core region of imprinting control, which is a CTCF-binding site.
