title: Variation in number of long, open reading frames among the members of copia, a Drosophila retrotransposon, and cDNAs of copia-related RNA in virus-like particles.
mesh_terms: D000818:Animals; D001483:Base Sequence; D004247:DNA / Q000032:analysis*; D004251:DNA Transposable Elements; D004330:Drosophila; D012367:RNA, Viral / Q000032:analysis*
chemical_list: D004251:DNA Transposable Elements; D012367:RNA, Viral; D004247:DNA