amorphic allele - genetic evidence
P{GT1} insertion 27bp downstream of the start site.
muscle cell of A1-7 dorsal transverse muscle 1
muscle cell of A1-7 lateral transverse muscle 1
muscle cell of A1-7 lateral transverse muscle 2
muscle cell of A1-7 lateral transverse muscle 3
muscle cell of A1-7 lateral transverse muscle 4
The LT1-4 and DT1 muscles are often shorter than normal.