There are no gaps in the WS220 C. elegans assembly.
The Oct. 2010 (WS220/ce10) C. elegans assembly
is based on sequence version WS220 deposited into
as of Oct. 2010 (WS220/ce10). The sequence was produced jointly by the Sanger
Institute in Hinxton, England and
The Genome Institute at Washington University in St. Louis.