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. 2002 Dec 2;99(25):16156–16161. doi: 10.1073/pnas.202610899

Table 2.

Chromosome number analysis

Chromosome
No. of virtual tags
NLB DiFi
No. of observed tags Tag density No. of observed tags Tag density Chromosome content
 1 61,694 10,090 0.16 6,991 0.11 1.4
 2 61,944 9,422 0.15 9,545 0.15 2.0
 3 46,337 6,732 0.15 7,379 0.16 2.2
 4 41,296 5,581 0.14 3,666 0.089 1.3
 5 43,186 6,216 0.14 4,136 0.10 1.3
 6 41,633 6,120 0.15 7,291 0.18 2.4
 7 38,928 5,836 0.15 9,875 0.25 3.4
 8 35,033 5,009 0.14 3,260 0.093 1.3
 9 30,357 4,909 0.16 4,861 0.16 2.0
10 37,320 6,045 0.16 4,865 0.13 1.6
11 37,868 6,081 0.16 5,432 0.14 1.8
12 30,692 4,631 0.15 4,056 0.13 1.8
13 22,313 3,012 0.13 5,197 0.23 3.5
14 23,378 3,658 0.16 3,171 0.14 1.7
15 22,409 3,581 0.16 4,159 0.19 2.3
16 23,028 4,119 0.18 3,201 0.14 1.6
17 22,978 4,298 0.19 3,145 0.14 1.5
18 18,431 2,712 0.15 2,389 0.13 1.8
19 16,544 3,271 0.20 3,589 0.22 2.2
20 20,585 3,573 0.17 5,460 0.27 3.1
21 9,245 1,465 0.16 1,036 0.11 1.4
22 12,579 2,476 0.20 1,655 0.13 1.3
X 30,737 2,249 0.073 3,147 0.10 1.4
Y 2,347 159 0.068 9 0.00 0.06
Total 730,862 111,245 0.15 107,515 0.15 2.0
*

DiFi chromosomal content is calculated for autosomal chromosomes as 2 times the ratio of DiFi tag densities to corresponding NLB tag densities, and for the X chromosome as the ratio of DIFI tag density to NLB tag density. Underlined values represent autosomal chromosome content <1.5, while boldface values represent autosomal chromosome content >3.