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    • Fast sequence evolution of Hoxand Hox-derived genes in the genus Drosophila 

      Casillas, Sonia; Negre, Barbara; Barbadilla, Antonio; Ruiz, Alfredo (2006-12-12)
      Abstract Background It is expected that genes that are expressed early in development and have a complex expression pattern are under strong purifying selection and thus evolve slowly. Hox genes fulfill these criteria and ...