title: The selection, expression, and organization of a set of head-specific genes in Drosophila.
mesh_terms: D000818:Animals; D002467:Cell Nucleus / Q000378:metabolism; D002874:Chromosome Mapping; D004247:DNA / Q000235:genetics*; D004331:Drosophila melanogaster; D005786:Gene Expression Regulation; D005787:Gene Frequency; D006257:Head; D012333:RNA, Messenger / Q000235:genetics*; D012641:Selection, Genetic; D014158:Transcription, Genetic
chemical_list: D012333:RNA, Messenger; D004247:DNA