Cytological Breakpoints of Common Balancers

The table below lists inversion breakpoints present on balancers. For core balancer genotypes, visit the Balancer core definition page

Symbols (Links to FlyBase)
Cytological Order
Basc and Bascy1Lt - 1B3 | 20F - 11A1 | 6F - 10F10 | 6F - 1B3 | 20F -1Rt
Binsc, Binscy, Binsinscy, Binsn, Insc, Inscy and winscy1Lt - 1B3 | 20F - 11F4 | 4E1 - 11F2 | 4D7 - 1B3 | 20F -1Rt
ClB1Lt - 4A5 | 17A6 - 4B1 | 17A6 - 1Rt
FM0 and M61Lt - 1B2 | 20F - 11F4 | 4E1 - 11F2 | 4D7 - 1B2 | 20F - 1Rt
FM31Lt - 1B2 | 20F | 16B - 19F | 3F - 4D7 | 11F2 - 4E1 | 11F4 - 16A | 3E - 1B3 | 1Rt
FM41Lt - 1B2 | 20F - 11F4 | (4E - 4E) | 3C - 4D7 | 11F2 - 4F | 3C - 1B3 | 1Rt
FM6 and FM6-121Lt - 1B2 | (20B - 20B) | 15E - 20A | 15D - 11F4 | (4E - 4E) | 3C - 4D7 | 11F2 - 4F | 3C - 1B3 | 20D1 - 1Rt
FM7 series1Lt - 1B2 | 20F - 20A | 15D - 20A | 15D - 11F4 | 4E1 - 11F2 | 4D7 - 1B3 | 1Rt
In(1)AM1Lt - 8D6 | 16E - 8D12 | 16F - 1Rt
In(1)dl-491Lt - 4D7 | 11F2 - 4E1 | 11F4 - 1Rt
In(1)sc[7], In(1)AM1Lt - 1B3 | 6D8 - 1B4 | 6D8 - 8D6 | 16E - 8D12 | 16F - 1Rt
In(1)sc[S1], In(1)dl-491Lt - 1B3 | 20B - 11F4 | 4E1 - 11F2 | 4D7 - 1B4 | 20D1 - 1Rt
CyO2Lt - 22D1 | 33F5 - 30F | 50D1 - 58A4 | 42A2 - 34A1 | 22D2 - 30E | 50C10 - 42A3 | 58B1 - 2Rt
CyO-Df(2R)B802Lt - 22D1 | 33F5 - 30F | 50D1 - 58A4 | 42A2 - 34A1 | 22D2 - 30E | 50C10 - 42A3 | 58B1 - 60F2 | h21 - YSt
CyO, Tp(2;2)pk-sple[26]2Lt - 22D1 | 33F5 - 30F | 50D1 - 58A4 | 42A2 - 34A1 | 22D2 - 29F | 58E - 58B1 | 42A3 - 42F | 45A - 42F | 29F - 30E | 50C10 - 45F | 58E - 2Rt
SM12Lt - 22A3 | 60B - 58B1 | 42A3 - 58A4 | 42A2 - 34A1 | 22D2 - 33F5 | 22D1 - 22B1 | 60C - 2Rt
SM52Lt - 21D2 | 36C - 40F | 29C - 22D2 | 34A1 - 36C | 21D3 - 22A3 | 60B - 58B1 | 42A3 - 42D | 42D - 42A3 | 58B1 - 58F | 53C - 42D | 53C - 58A4 | 42A2 - 40F | 29E - 33F5 | 22D1 - 22B1 | 60C - 2Rt
SM6a, SM6b and SM6#162Lt - 22A3 | 60B - 58B1 | 42A3 - 50C10 | 30E - 22D | 34A1 - 42A2 | 58A4 - 50D1 | 30F - 33F5 | 22D1 - 22B1 | 60C - 2Rt
In(2L)Cy, In(2R)Cy2Lt - 22D1 | 33F5 - 22D2 | 34A1 - 42A2 | 58A4 - 42A3 | 58B1 - 2Rt
In(2L)Cy2Lt - 22D1 | 33F5 - 22D2 | 34A1 - 2Rt
In(2R)Cy2Lt - 42A2 | 58A4 - 42A3 | 53B1 - 2Rt
In(2L)Cy[L]t[R]2Lt - 22D1 | 33F5 - 22E1 | 34A9 - 2Rt
In(2L)Cy[L]t[R],In(2R)Cy2Lt - 22D1 | 33F5 - 22E1 | 34A9 - 42A2 | 58A4 - 42A3 | 58B1 - 2Rt
In(2L)t,In(2R)Cy2Lt - 22D3 | 34A8 - 22E1 | 34A9 - 42A2 | 58A4 - 42A3 | 58B1 - 2Rt
In(2LR)bw[V1]2Lt - 21C8 | 60D1 - 59E1 | 40F - 59D4 | 40F - 21D1 | 60D2 - 2Rt
In(2LR)Gla2Lt - 22D3 | 34A8 - 27D | 51E - 34A9 | 22E1 - 27D | 51E - 2Rt
CxD3Lt - 69D3 | 70C13 - 69E1 | 70D1 - 71F | 85C - 84A | 80 - 84A | 93F - 85C | 71F - 80 | 93F - 3Rt
DcxF3Lt - 62 | 67 - 62 | 67 - 69D3 | 70C13 - 69E1 | 70D1 - 71F | 85C - 84A | 80 - 84A | 93F - 85C | 71F - 80 | 93F - 3Rt
LVM and Payne3Lt - 63B8 | 72E1 - 63B9 | 72E2 - 89C2 | 96A18 - 89C3 | 96A19 - 3Rt
MRS and MKRS3Lt - 71B2 | 92E - 93C | 87F1 - 92E | 71C2 - 87E8 | 93C - 3Rt
TM13Lt - 63C | 72E1 - 69E | 91C - 97D | 89B - 72E2 | 63C - 69E | 91C - 89B | 97D - 3Rt
TM23Lt - 61A | 96B - 93B | 89D - 74 | 61C - 74 | 89E - 93B | 96A - 3Rt
TM33Lt - 65E | 85E - 79E | 100C - 100F2 | 92D1 - 85E | 65E - 71C | 94D - 93A | 76C - 71C | 94F - 100C | 79E - 76C | 93A - 92E1 | 100F3 - 3Rt
TM63Lt - 61A | 89C2 - 75C | 94A - 100F2 | 92D1 - 89C4 | 61A2 - 63B8 | 72E1 - 63B11 | 72E2 - 75C | 94A - 92E1 | 100F3 - 3Rt
TM6B3Lt - 61A1 | 87B2 - 86C8 | 84F2 - 86C7 | 84B2 - 84F2 | 84B2 - 75C | 94A - 100F2 | 92D1 - 87B4 | 61A2 - 63B8 | 72E1 - 63B11 | 72E2 - 75C | 94A - 92E1 | 100F3 - 3Rt
TM6C3Lt - 61A1 | 87B2 - 75C | 94A - 100F2 | 92D1 - 87B4 | 61A2 - 63B8 | 72E1 - 63B9 | 72E2 - 75C | 94A - 92D9 | 100F3 - 3Rt
TM83Lt - 62D2 | 80C - 73F | 87D2 - 80C | 62D7 - 73F | 87D3 - 92D1 | 100F2 - 92E1 | 100F3 - 3Rt
TM93Lt - 62D2 | 85A - 87A | 76F - 80C | 85A - 80C | 62D7 - 76F | 87A - 92D1 | 100F2 - 92E1 | 100F3 - 3Rt
TMS3Lt - 71B2 | 92E - 93C | 87F - 92E | 71C - 87A | 97F - 93C | 87E - 87B | 98A - 3Rt
In(3L)P3Lt - 63B8 | 72E1 - 63B11 | 72E2 - 3Rt
In(3R)P3Lt - 89C2 | 96A18 - 89C3 | 96A19 - 3Rt
In(3L)P, In(3R)P3Lt - 63B8 | 72E1 - 63B11 | 72E2 - 89C2 | 96A18 - 89C3 | 96A19 - 3Rt
In(3R)C3Lt - 92D1 | 100F2 - 92E1 | 100F3 - 3Rt
In(3L)P, In(3R)C3Lt - 63B8 | 72E1 - 63B11 | 72E2 - 92D1 | 100F2 - 92E1 | 100F3 - 3Rt
In(3L)P, In(3R)Ubx[P18]3Lt - 63B8 | 72E1 - 63B11 | 72E2 - 81F | 91F - 81F | 92F - 3Rt
T(2;3)ap[Xa]2Lt - 41F | 89E8 - 89C3 | 96A19 - 3Rt ; 2Rt - 58B1 | 42A3 - 58A4 | 42A2 - 41F | 89F1 - 96A18 | 89C2 - 3Lt

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