title: [Developmental genetics by gene isolation: the dual 5S RNA gene system in Xenopus (author's transl)].
mesh_terms: D000818:Animals; D001483:Base Sequence; D004247:DNA / Q000302:isolation & purification*; D004274:DNA, Recombinant; D005260:Female; D009865:Oocytes; D012313:RNA / Q000235:genetics*; D014981:Xenopus
chemical_list: D004274:DNA, Recombinant; D012313:RNA; D004247:DNA