From: Genomic landscape of CpG rich elements in human
Human
Mouse
Dog
No genes
At least 1 gene
no CGIs
12,684
4759
13,276
4910
11,309
3454
at least 1 CGI
2267
9544
1259
7184
3361
8896
χ 2 = 8071
χ 2 = 7848
χ 2 = 6528