The specification of the anterior/posterior axis of the embryo by products of genes expressed in the zygote; exemplified in insects by the gap genes, pair rule genes and segment polarity gene cascade. [http://fly.ebi.ac.uk/allied-data/lk/interactive-fly/aimain/1aahome.htm, ISBN:0879694238]
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Collection
M5: Ontology GO: Gene Ontology GO:BP: GO Biological Process
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