Figure 1.

Tol2 insertion sites. Approximately half of all Tol2 insertion sites (red arrows) were (a) in close proximity to a gene, (b) in the intron, or at the (c) 5' end or (d) 3' end. The position of a hypothetical enhancer (En) is not known. The blue boxes indicate exons. p, promoter; pA, polyA.