title: Specific gene amplification in oocytes. Oocyte nuclei contain extrachromosomal replicas of the genes for ribosomal RNA.
mesh_terms: D000818:Animals; D001001:Anura; D002467:Cell Nucleus; D002499:Centrifugation, Density Gradient; D004261:DNA Replication; D005111:Extrachromosomal Inheritance; D005260:Female; D005796:Genes; D008967:Molecular Biology; D010063:Ovum; D012313:RNA / Q000378:metabolism*; D012270:Ribosomes; D014562:Caudata
chemical_list: D012313:RNA