title: [Heterochromatin: molecular evolution and effects of gene location in Drosophila melanogaster].
mesh_terms: D000818:Animals; D004331:Drosophila melanogaster / Q000235:genetics*; D019143:Evolution, Molecular; D006570:Heterochromatin / Q000235:genetics*; D005810:Multigene Family; D020080:Tandem Repeat Sequences