43C;44B;57C;69E
2Lt - 43C | 44B - 57C | 69E - 3Lt ; 2Rt - 57C | 69E - 3Rt
43C;44B;57C;69E
bk1 << cn << bk2
Recovered as apparent cn double recombinant from test crosses of dysgenic-type males that were heterozygous for a maternally derived dp b cn bw second chromosome and paternally derived autosomes extracted from natural populations and capable of promoting male recombination.
All limits from polytene analysis (FBrf0037137)