Table 3. Distribution of variation in the intron and intergenic regions within and between species.

	Intraspecies			Interspecies
	Length (bp)	Variable positions	Variation frequency	Length (bp)	Variable positions	Variation frequency
Coding	21,572	4	0.02%	21,572	5	0.02%
Intron	59,091	399	0.68%	59,091	419	0.71%
Intergenic	18,982	310	1.63%	189,82	436	2.30%