hypermorphic allele - genetic evidence
Deletion of 1kb from site of P{} insertion, 707bp downstream of the Bx cDNA, to within exon V of Bx.The last 352bp of the 3'UTR are missing, including all ARE motifs, and four Brd-like boxes.
visible | semidominant
wing
Rank of homozygous phenotype: 7. Rank of heterozygous phenotype: 6-7. (Rank 1 is wild type. Rank 8 is nearly strap like wings.)
Bx10-4-1 has phenotype, suppressible by Df(1)N19