title: Nuclear DNA content variability in Xenopus laevis: a redundancy regulation common to all gene families.
mesh_terms: D000818:Animals; D002467:Cell Nucleus / Q000032:analysis*; D004247:DNA / Q000032:analysis / Q000235:genetics*; D005786:Gene Expression Regulation; D005810:Multigene Family; D009693:Nucleic Acid Hybridization; D012335:RNA, Ribosomal / Q000235:genetics; D014982:Xenopus laevis
chemical_list: D012335:RNA, Ribosomal; D004247:DNA