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mRNA in situ expression analysis of BDL and MP in developing embryos. (A–D,I) BDL, (E–H,J–L) MP mRNA accumulation in wild-type (E–J) and bdl mutant (K, L) embryos. Developmental stages (Jürgens and Mayer 1994): (A,E) octant; (B,F,L) early-globular; (C,G) globular with lens-shaped cell; (D,H) heart; (I,J) torpedo; (K) four-cell. Arrows mark the hypophysis in (A,B,E,F,L) and the lens-shaped cell in (C,G), arrowheads mark the central root cap in (I,J). Bar, 20 μm.
