Fig. 9. Immunohistochemical detection of TUNEL-positive cells in the eye of a
transgenic embryo expressing pro-caspase-3 (casp-1 line) at 36 h.p.f.
Arrowheads indicate TUNEL-positive cells. (A,C) GFP-expressing embryo used as
a control. (B,D) Transgenic embryo expressing pro-caspase-3.