Table 9.

Statistical Test^a on Duplicate Fractions in Arabidopsis and Aethionema GS Pathway Inventory Compared with Genome-Wide Average in Arabidopsis

	Arabidopsis Genome	Arabidopsis GS Genesb	Aethionema GS Genes
Protein-coding genes	27,206	64	67
Retained At-α ohnologs	6,038/22%	36/56%	35/52%
P value		3.87E−09	1.26E−07
Tandem duplicates	4,022/15%	29/45%	32/48%
P value		5.71E−09	9.14E−10
GTDs	3,879/14%	17/27%	18/27%
P value		0.01066	0.07462
Sum duplicates	12,132/45%	61/95%	65/97%
P value		2.20E−16	2.20E−16

^aFisher's exact test on count data.

^bExtended set (fig. 1).