3C1-3C2;3F
3C1-3C2;3F
Hemizygous males exhibit wild type eye colour, homozygous females exhibit a brisk-red eye colour.
males have w+ ec eyes female phen.: brick red, ec eyes
Rearrangement disrupts the critical domain surrounding the w locus needed in cis for zeste-white interaction.
All limits from polytene analysis (FBrf0046365)