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(A) Molecular maps of the Fab-8 boundary and F8337. The Fab-8 insulator is shown as a horizontal bar. The proximal and distal endpoints of the Fab-8 fragments are shown below. For other designations see Fig 2. (B) Morphology of the 2nd to 6th abdominal segments in insulator in McpF8, McpF8R and iab-4Δ McpF8 males. Other designations are as in Fig 2.
