Imprecise excision of the P-element in br2Bab-7, removing the P-element sequences and 6.1kb of genomic DNA. Deletion extends from position 21129 on cosmid 25D2 to position 5859 on cosmid 17A9.
lethal - all die before end of pupal stage | recessive
some die during pupal stage | recessive
visible (with br2Bc-1)
metathoracic leg (with br2Bc-1)
At 25oC, about 25% of brBC3/br2Bc-1 females have malformed third legs, while at 29oC, 40% have malformed legs.
br28
brrbp-5
br2Bc-1
brnpr-6
Additional P-elements are present on the brBC3 chromosome.