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. 1999 Jun 15;13(12):1589–1600. doi: 10.1101/gad.13.12.1589

Figure 9.

Figure 9

Dissection of the 340-bp ASE region. (A) Structures and activities of 501/301hsp-based deletion mutants. Each nodal fragment was linked to the hsp68 promoter and lacZ. (B) X-gal staining patterns of representative transgenic embryos.