amorphic allele - genetic evidence
Associated with an inversion break; cytology not described.
Chromosome rearrangement resulting in the fusion of Actn exon 2 and part of the following intron to the adjacent usp locus.
abnormal locomotor behavior | larval stage | recessive
lethal - all die before end of larval stage
lethal - all die before end of larval stage | recessive
some die during larval stage
some die during larval stage | recessive
somatic muscle cell
Hemizygous larvae hatch somewhat later than their wild-type counterparts. They appear small and flaccid and move poorly. Larval growth does not occur.
Lefevre.