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Modeling simultaneous molecular interactions involved in A/P patterning. (A) Maternal bicoid, nanos, hunchback, and caudal transcripts are distributed in their proper locations in the oocyte before fertilization. (B) Translational repression is indicated by beads placed on pipe cleaners. Gradients of Bicoid, Nanos, Caudal, and Hunchback have been established via these molecular interactions. Colors of pipe cleaners and beads are as described in Figures 3 and 4.
