Activity patterns of nucleolar organizer region during spermatogenesis of different curimatid species (Characiformes: Curimatidae)
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The nucleolus is an important nuclear structure where transcription of ribosomal DNA (rDNA) takes place. During mitotic division, the nucleolus passes through different processes that inactivate rDNA transcription; in meiosis, its reassembly takes place during... ...
