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Fig. 8. Schematic representation summarizing developmental events in the normal
Achaearanea embryo and primary defects in the At-dpp and
At-sog RNAi embryos. The state of the embryo symmetry is shown at
the top. Time (hours; h) after egg laying at 25°C and the stages of
development are also shown. Each developmental event takes place during the
period indicated by the solid bar (faded areas indicate uncertain start or end
points). In illustrations for the respective stages, the yolk area, the
embryonic area, the extra-embryonic area and the limb buds are outlined.
Stages 6 and 8 are shown in yellow and blue, respectively, when primary
defects were observed in At-dpp RNAi and At-sog RNAi embryos
(see the insides of the boxes). a, anterior; p, posterior; d, dorsal; v,
ventral.
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