Table 1.

Genotype and allele frequencies of AhR and ARNT polymorphisms.

	ASD		Control			ASD		Control
Genotype	n	%	n	%	Allele	n	%	n	%
AhR (rs2066853)
GG	24	25.3	160	30.4	G	102	53.7	579	54.9
GA	54	56.8	259	49.1	A	88	46.3	475	45.1
AA	17	17.9	108	20.5
Total	95	100.0	527	100.0		190	100.0	1054	100.0
ARNT (rs2228099)
GG	39	41.1	189	35.9	G	120	63.2	624	60.8
GC	42	44.2	246	46.7	C	70	36.8	402	39.2
CC	14	14.7	78	14.8
Total	95	100.0	513a	100.0		190	100.0	1026a	100.0

^a14 samples with ARNT polymorphism from control participants were excluded from the data because the signal failed to be detected as a result of misamplification.