l(1)2Ae << bk1 << bk2
DNA breakpoint (2B1-2) between coordinates 31.3 and 35.3 (Chao and Guild, 1986, EMBO J. 5: 143-50).
l(1)1Fd (Voelker) or su(f). With duplication, both sexes viable and wild type except for presence of occipital bristles.
deletion of most of X euchromatin