Insertion of a 1.5kb hobo after nucleotide 1565 causes an inframe stop codon after 20 amino acids that truncates the sca protein at the start of the fibrinogen related domain (FReD).
visible | recessive
adult thorax & macrochaeta
eye
macrochaeta
scaMSKF/scaBP2 flies have extra thoracic bristles.
Heterozygotes show occasional extra bristles. Homozygotes have rougher eyes and a larger number of bristles than homozygous sca null mutants.
scaMSKF has phenotype, enhanceable by Delta9P