40F-41A;59E1-59E2
40F-41A;59F1-59F3
bk2 hits bw
Lethal over In(2)bwR18, T(2;3)bwR4, In(2)bwR45 or T(2;3)bwR14 but partially viable over In(2LR)bwR20, In(2LR)bwR55, T(Y;2)bwR57 or In(2)bwR67.
lethal or semilethal with most other brown-Variegateds
Chromosome exhibits position effect variegation for bw.
Slatis, 16 Nov. 1948.
Limits of break 1 from polytene analysis (FBrf0010226) Limits of break 2 from complementation mapping against bw (FBrf0010226)