hypermorphic allele - genetic evidence
Deletion of 1.5kb from site of P{} insertion, 707bp downstream of the Bx cDNA, to within exon V of Bx. The deletion leaves only 107bp of 3' UTR and removes all of the putative negative regulatory elements of the UTR.
visible | semidominant
wing
Rank of homozygous phenotype: 7-8. Rank of heterozygous phenotype: 6-7. (Rank 1 is wild type. Rank 8 is nearly strap like wings.)
Bx10-5-2 has phenotype, suppressible by Df(1)N19