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

Table 1

Possible genotypes for an offspring.

	Mother genotype	Father genotype	Offspring genotype
1	AA	AA	AA
2	AA	AB	AA AB
3	AA	BB	AB
4	AB	AA	AA AB
5	AB	AB	AA AB AB BB
6	AB	BB	AB BB
7	BB	AA	AB
8	BB	AB	AB BB
9	BB	BB	BB