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. 2002 Apr 30;70(6):1490–1497. doi: 10.1086/340787

Table 2.

Nucleotide Differences per Position at CpG- and Non-CpG Sites

Frequency at
NucleotideDifference Non-CpGSites CpGSites Overrepresentation at CpG Sitesa
Transitions .0054 .1218 22.5
G↔C .0017 .0133 7.8
A↔C/G↔T .0016 .0130 6.6
a

Values are ratios of the frequencies at CpG and non-CpG sites.