Figure 2.

Conceptual translations of homeodomains of Archegozetes (Al) genes compared with homologs from other arthropods and an onychophoran. (A) Engrailed (en) and invected (inv). (B) proboscipedia (pb). (C) Deformed (Dfd). (D) Sex combs reduced (Scr). (E) Antennapedia (Antp) (F) orthodenticle (otd). Insect sequences obtained from the GenBank database: Dm, Drosophila melanogaster; Af, Artemia franciscana; Sg, Schistocerca gregaria; Tc, Tribolium castaneum. Noninsect sequences from ref. 36: Cen, centipede (Ethmostigmus rubripes); Ony, onychophoran (Acanthokara kaputensis). Matches are indicated with a period and missing data by a dashed line.