Table 2. Probabilities of occurrence by chance of the observed distribution of the four chromatin types relatively to the gene structure.

Chromatin Type	Localization Class
	TSS	GENE	INTRON	INTERGENIC REGION
aquamarine	10-2908 ↑ *	10-142 ↓ *	10-120 ↓ *	10-107 ↓ *
lazurite	10-148 ↓ *	10-1256 ↑ *	10-140 ↓ *	10-125 ↓ *
malachite	10-5 ↓ *	10-7 ↑ *	0.032 ↓ *	0.450 ↓
ruby	10-63 ↓ *	0.025 ↓ *	10-16 ↑ *	10-8 ↑ *