Table 2.

The 23 pairs of chromosomes in the human genome (source: www.ncbi.nlm.nih.gov).

Pairs of chromosomes	Chromosomes	Number of domains
1	1–2	2 × 250
2	3–4	2 × 242
3	5–6	2 × 198
4	7–8	2 × 190
5	9–10	2 × 182
6	11–12	2 × 171
7	13–14	2 × 159
8	15–16	2 × 145
9	17–18	2 × 138
10	19–20	2 × 134
11	21–22	2 × 135
12	23–24	2 × 133
13	25–26	2 × 114
14	27–28	2 × 107
15	29–30	2 × 102
16	31–32	2 × 90
17	33–34	2 × 83
18	35–36	2 × 80
19	37–38	2 × 59
20	39–40	2 × 64
21	41–42	2 × 47
22	43–44	2 × 51
23	X	156
23	Y	57