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Table 3 Comparison of duplications and potential sequence misassignment errors in genome assemblies

From: Genome-wide detection of segmental duplications and potential assembly errors in the human genome sequence

  December 2001 April 2002 June 2002
  Length Duplications Errors Length Duplications Errors Length Duplications Errors
Chr1 2,564 99 115 2,459 68 60 2,469 71 44
Chr2 2,413 70 45 2,468 79 57 2,407 69 23
Chr3 2,048 49 90 2,047 29 73 1,949 31 40
Chr4 1,914 39 44 1,970 51 49 1,920 41 25
Chr5 1,848 55 90 1896 55 112 1,810 45 23
Chr6 1,783 58 56 1,828 43 153 1,703 29 6
Chr7 1,638 130 48 1,605 119 27 1,574 101 2
Chr8 1,457 35 66 1,484 33 43 1,439 26 40
Chr9 1,330 83 38 1,291 75 27 1,324 83 16
Chr10 1,421 74 51 1,385 72 39 1,344 63 13
Chr11 1,414 51 84 1,341 43 36 1,374 44 20
Chr12 1,396 30 83 1,342 24 32 1,313 28 34
Chr13 1,151 29 21 1,136 22 15 1,134 19 1
Chr14 1,065 27 8 1,054 23 10 1,043 13 0
Chr15 991 62 30 1,000 54 20 992 56 17
Chr16 938 65 44 932 67 32 817 60 21
Chr17 839 66 46 811 46 29 801 53 21
Chr18 818 16 59 809 12 32 775 12 14
Chr19 769 45 28 730 34 12 600 32 3
Chr20 630 10 5 628 12 4 628 11 1
Chr21 446 18 3 446 16 2 446 15 0
Chr22 478 28 0 477 29 1 477 28 0
ChrX 1,517 54 40 1,518 61 23 1,492 55 22
ChrY 584 86 2 584 95 2 584 85 1
ChrUn 74 10 1 125 11 43 14 4 1
Total 31,526 1,290 1,097 31,366 1,175 932 30,431 1,074 389
% range*   Duplication Error   Duplication Error   Duplication Error
90-92%   135 0   137 0   117 0
92-94%   334 0   334 0   311 0
94-96%   391 0   382 0   367 0
96-98%   451 0   444 0   418 0
98-100%   884 1,097   724 932   665 389
  1. *All numbers shown in the table are × 100 kb. *Sequence similarity between duplication by five levels of percent identity.