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Evolution of the ZZ/ZW system in <i>Leporinus </i>(Pisces, Anostomidae)
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1986
Year
CytogeneticsGeneticsSex Determination SystemReproductive BiologyEmbryologyPhylogeneticsMolecular EcologyZz/zw SystemW ChromosomesMorphological EvidenceConstitutive HeterochromatinChromosomal RearrangementPhylogenomicsHuman EvolutionBiologyChromatinChromosome DynamicsChromatin StructureNatural SciencesEvolutionary BiologyChromosome BiologyMedicine
The presence of constitutive heterochromatin on the Z and W chromosomes of four <i>Leporinus </i>species (<i>L</i>. <i>elongatus, L</i>. <i>ohtusidens, L</i>. <i>reinhardti, </i>and <i>Leporinus </i>sp.) was studied by C -banding. A hypothetical role of the heterochromatin in the differentiation of the sex determination system in these fishes is proposed.