Homeo box sequences of the Antennapedia class are conserved only in higher animal genomes.
D000818:Animals; D005075:Biological Evolution; D002874:Chromosome Mapping; D004330:Drosophila / Q000033:anatomy & histology / Q000235:genetics; D005796:Genes; D009693:Nucleic Acid Hybridization; D012689:Sequence Homology, Nucleic Acid; D013045:Species Specificity