Table 4.

Number and fractions of MergedOrthoGroups that show a change in dN/dS at branches a, b, c, and d in Figure 4.

All MergedOrthoGroups			Reject TWOSTEP	Reject neither	Reject SINGLE	Total
	a	Count	6	364	796	1,166
		Percentage	0.5%	31.2%	68.3%
			Reject TWOSTEP	Reject neither	Reject MULTI	Total
	b, c, d	Count	60	1150	10	1,220
		Percentage	4.9%	94.3%	0.8%
Core MergedOrthoGroups			Reject TWOSTEP	Reject neither	Reject SINGLE	Total
	a	Count	0	4	13	17
		Percentage	0.0%	23.5%	76.5%
			Reject TWOSTEP	Reject neither	Reject MULTI	Total
	b, c, d	Count	2	17	0	19
		Percentage	10.5%	89.5%	0.0%