Polytene chromosomes normal.
abnormal eye color
visible | recessive
pigment cell
Eye colour: brown. Intermediate allele of bw1. bw75/bw75 darker than bw75/bw1; about 1% of bw75/bw1 flies show twin spots in eye.
Slatis, 25 June 1950.
Located to the left of bw81 and bw59 by recombination.
Located to the left of bw81 and bw59 by recombination.