Although P{Ret-GAL4.P2}attP2-A and P{Ret-GAL4.P2}attP2-B are both insertions of P{Ret-GAL4.P2} in P{CaryP}attP2, they have different expression patterns.
Although P{Ret-GAL4.P2}attP2-A and P{Ret-GAL4.P2}attP2-B are both insertions of P{Ret-GAL4.P2} in P{CaryP}attP2, they have different expression patterns.