Two small deletions within the Dscam1 intron upstream of the variable exon 9 cluster.
An 8bp deletion within the intron preceding the alternative exon 9s of Dscam1. One of two small deletions in the intron in the mutant.
A 3bp deletion within the intron preceding the alternative exon 9s of Dscam1. One of two small deletions in the intron in the mutant.