TABLE A2

Contribution of false tetrads to PDs, T’s, and NPDs in M622/626 data

	No. in data set (N = 1118)	Frequency from simulation		Estimated no. contributed to data set by false tetrads			% contributed by false tetrads
Tetrad class	No. in data set (N = 1118)	f2	f3	f2	f3	f2 + f3	% contributed by false tetrads
CAN1-URA3
PD	378	0.044	0.048	1.83	2.83	4.66	1.23
T	656	0.027	0.064	1.12	3.77	4.90	0.75
NPD	42	0.006	0.002	0.26	0.10	0.37	0.88
URA3-HOM3
PD	389	0.033	0.047	1.38	2.78	4.16	1.07
T	642	0.037	0.064	1.53	3.77	5.31	0.83
NPD	59	0.007	0.003	0.30	0.16	0.46	0.78
HOM3-TRP2
PD	648	0.061	0.074	2.54	4.35	6.89	1.06
T	398	0.014	0.038	0.60	2.25	2.85	0.72
NPD	24	0.002	0.002	0.07	0.10	0.18	0.75