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Fig. 6. ed produces a neurogenic phenotype in the Drosophila
embryo. (A) Cuticle of a wild-type embryo showing the characteristic ventral
denticle belts. (B) In ed germline clone embryos, lacking both
maternal and zygotic ed expression, there is a ventral hole in the
cuticle. (C) A wild-type embryo stained for the neuronal marker ELAV exhibits
the condensed central nervous system. (D) An ed germline clone embryo
displays a disorganized central nervous system with increased number of
ELAV-positive cells, a phenotype typical of reduced N signaling.