Insertion of a Q residue after 272. This insertion is in the splice site between exons 4 and 5.
CAR
Reporte as the insertion of a Glutamine codon (CAA/G) at the splice site after mys amino acid S272. Same mutation as in mys[b50]. Position of mutation on reference sequence inferred by FlyBase curator based on author statement.
Weak allele.
Selected as: a mutation that permits the survival of an F1 male.