amorphic allele - molecular evidence
A 1 bp insertion and 6 bp deletion resulting in mutated Mst77F with a premature stop codon.
Deletion of 6 bases and insertion of 1 base (T) in the first exon of Mst77F results in a frameshift and early translation termination.
T
female fertile
male sterile
cystic bulge
male germ cell nucleus
spermatid
Mst77FKO is rescued by Mst77F+tZa
Mst77FKO is partially rescued by Mst77FS9A