FB2026_03 , released September 17, 2026
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Bloomington Drosophila Stock Center, (2026.6.26). Cytological order of balancers to add/correct in FlyBase. 
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FBrf0265757
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Personal communication to FlyBase
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The following balancer cytological orders are missing and should be added to their 'parent aberrations' in FlyBase:
FBba	Symbol	Cytological_order	Parent_FBab	Parent_Symbol
FBba0000069	ClB	1Lt-4A5 | 17A6-4B1 | 17A6-1Rt	FBab0003902	In(1)Cl
FBba0000021	Insc	1Lt-1B3 | 20F-11F4 | 4E1-11F2 | 4D7-1B3 | 20F-1Rt	FBab0010488	In(1)scS1Lsc8R+dl-49
FBba0000014	Basc	1Lt-1B3 | 20F-11A1 | 6F-10F10 | 6F-1B3 | 20F-1Rt	FBab0004219	In(1)scS1Lsc8R+S
FBba0000064	LVM	3Lt-63B8 | 72E1-63B9 | 72E2-89C2 | 96A18-89C3 | 96A19-3Rt	FBab0022924	In(3LR)LVM
FBba0000236	Payne	3Lt-63B8 | 72E1-63B9 | 72E2-89C2 | 96A18-89C3 | 96A19-3Rt	FBab0028003	In(3LR)P
FBba0000001	CyO-Df(2R)B80	2Lt-22D1 | 33F5-30F | 50D1-58A4 | 42A2-34A1 | 22D2-30E | 50C10-42A3 | 58B1-60F2 | h21-YSt	FBab0022240	In(2LR)O+Ts(Y;2Lt)B80
The following balancer cytological orders should be corrected on their 'parent aberrations' in FlyBase:
FBba	Symbol	Cytological_order	Parent_FBab	Parent_Symbol
FBba0000010	FM0	1Lt-1B2 | 20F-11F4 | 4E1-11F2 | 4D7-1B2 | 20F-1Rt	FBab0010486	In(1)sc8+dl-49
FBba0000002	FM3	1Lt-1B2 | 20F | 16B-19F | 3F-4D7 | 11F2-4E1 | 11F4-16A | 3E-1B3 | 20F-1Rt	FBab0003926	In(1)FM3
FBba0000070	FM4	1Lt-1B2 | 20F-11F4 | (4E-4E) | 3C-4D7 | 11F2-4F | 3C-1B3 | 20F-1Rt	FBab0003927	In(1)FM4
FBba0000007	FM7a	1Lt-1B2 | 20F-20A | 15D-20A | 15D-11F4 | 4E1-11F2 | 4D7-1B3 | 20F-1Rt	FBab0003929	In(1)FM7
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