Table 1.

Distribution of DNS scores across five chromosomal segments

Comparison		Whole genome	A genome	B genome	D genome
Whole genome 2 Mb windows†		0.0031	0.0032	− 0.0016	0.009
Segments‡	R1	0.0457	0.0413	0.0398	0.0559
	R2a	− 0.00669	− 0.0079	− 0.0146	0.00237
	C	− 0.0131	− 0.0153	− 0.0135	− 0.0107
	R2b	− 0.00949	− 0.0087	− 0.0154	− 0.00441
	R3	0.0431	0.0474	0.0368	0.0451
Segmentation§	MSF (Mb)	177.3	59.4	67.2	50.7
	MRF (Mb)	214.8	73.3	86.3	55.2
Proximity to gene¶	2 kb upstream	0.18	0.18	0.175	0.184
	500 bp upstream	0.261	0.256	0.259	0.268
	Gene body	0.0962	0.0926	0.096	0.10
	2 kb downstream	0.162	0.161	0.158	0.167
	Intergenic	0.0068	0.0072	0.0050	0.0083

^†Mean DNS score for 2 Mb windows

^‡Mean DNS score for entire genomic segment

^§Size in Mb of the regions considered significantly accessible or inaccessible by iSeg

^¶Mean DNS score for specific region