Table 1. Estimates of the impact of CpG context on the mutation rates of transitions and transversions.

Ratio	Kondrashov (2003)	Hwang & Green (2004)	average	(human-chimp)-orangutan
	15.4	13.7	14.5	12.2
	2.8	4.2	3.5	2.4

The last column contains ratios computed using a ((human-chimp)-orangutan) alignment.