Power Analysis of C-TDT for Small Sample Size Genome-Wide Association Studies by the Joint Use of Case-Parent Trios and Pairs

Table 2

Contribution of mother and father genotypes to T and NT terms in C-TDT statistic.

	Mother genotype	Father genotype	Offspring genotype	𝑇	𝑁𝑇
1	AA	AA	AA	0	0
2	AA	AB	AA	1	0
3	AA	AB	AB	0	1
4	AA	BB	AB	0	0
5	AB	AA	AA	1	0
6	AB	AA	AB	0	1
7	AB	AB	AA	2	0
8	AB	AB	AB	1	1
9	AB	AB	BB	0	2
10	AB	BB	AB	1	0
11	AB	BB	BB	0	1
12	BB	AA	AB	0	0
13	BB	AB	AB	1	0
14	BB	AB	BB	0	1
15	BB	BB	BB	0	0