Table 3.

Overview of the number of SNPs per dataset.

Dataset	Number of non-redundant SNPs in this study	Number of non-redundant SNPs mapping onto cDNAs	Number of non-redundant SNPs mapping onto CDS	Number of non-redundant SNPs causing at least one non-synonymous substitution	Number of non-redundant SNPs always causing synonymous substitutions
Nordborg2005	20,667	9,251	8,023	4,047	3,975
Clark2007	637,522	263,718	227,497	109,709	117,788
Ossowski2008	860,154	220,984	174,559	84,400	90,159
TOTAL	1,247,284	382,770	315,039	156,034	159,004