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Table 3 Parameters used to classify the accuracy of the position and orientation of the BAC-CGCs on the virtual sheep genome.

From: Using comparative genomics to reorder the human genome sequence into a virtual sheep genome

Code

Colora

Anchored by

Oriented by

% of cMegaBAC-CGCs

% of sequenced genomea

1

Dark green

Multiple linkage markers

Multiple linkage markers

15.4%

46.7%

2

Pale green

One linkage marker

Linked directly or indirectly to oriented CGCs by BACs, or part of an oriented block of linked CGCs

5.2%

5.9%

3

Light yellow

Linked directly or indirectly to anchored CGCs by BACs

Linked directly or indirectly to oriented blocks by BACs, or part of an oriented block of linked CGCs

6%

3.2%

4

Dark yellow

Single linkage markers or linked directly or indirectly to anchored CGCs by BACs

Linked directly or indirectly to oriented blocks by BACs, or part of an oriented block of linked CGCs or chicken-mammal or mammalian or cow/human conserved synteny

19.3%

16.4%

5

Orange

Cytogenetic markers or linked directly or indirectly to anchored CGCs by chicken-mammal or mammalian conserved synteny

Chicken-mammal or mammalian or cow/human conserved synteny

29.3%

11.0%

6

Pink

Linked directly or indirectly to anchored CGCs by cow/human conserved synteny or unbroken gene

Chicken-mammal or mammalian or cow/human conserved synteny

13.6%

5.5%

7

Red

Not linked directly or indirectly to an anchored CGC

Orientation uncertain

11.3%

2.7%

  1. abased on human Golden path length of 2.84 Gb, excluding Y chromosome. BAC, bacterial artificial chromosome; CGC, comparative genome contig; Gb, gigabases.