This track shows the gaps in the Mar. 2018 chicken genome assembly.
Genome assembly procedures are covered in the NCBI
NCBI also provides
specific information about this assembly.
The definition of the gaps in this assembly is from the
AGP file delivered with the sequence. The NCBI document
AGP Specification describes the format of the AGP file.
Gaps are represented as black boxes in this track.
If the relative order and orientation of the contigs on either side
of the gap is supported by read pair data,
it is a bridged gap and a white line is drawn
through the black box representing the gap.
This assembly contains the following principal types of gaps:
- centromere - gaps for centromeres are included when they can be reasonably localized (count: 18; all of size 500,000 bases)
- contig - gaps between contigs in scaffolds (count: 50; size range: 10 - 50,000 bases)
- scaffold - gaps between scaffolds in chromosome assemblies (count: 874; size range: 10 - 74,650 bases)