This track shows locations in the $organism assembly where assembly problems have been noted or resolved, as reported by the Genome Reference Consortium (GRC).
If you would like to report an assembly problem, please use the GRC issue reporting system.
Data for this track are extracted from the GRC incident database from the specific species *_issues.gff3 file. The track is synchronized once daily to incorporate new updates.
The data and presentation of this track were prepared by Hiram Clawson.