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      C-bands on chromosomes of 32 beetle species (Coleoptera: Elateridae, Cantharidae, Oedemeridae, Cerambycidae, Anthicidae, Chrysomelidae, Attelabidae and Curculionidae).

      Heredity
      Animals, Beetles, classification, genetics, Chromosome Banding, Chromosomes, Diploidy, Haploidy, Heterochromatin, Karyotyping, Male, Meiosis, Mitosis, Species Specificity, X Chromosome, Y Chromosome

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          Abstract

          C-banding patterns of 32 beetle species from the families Elateridae, Cantharidae, Oedemeridae, Cerambycidae, Anthicidae, Chrysomelidae, Attelabidae and Curculionidae were studied using the C-banding technique. Mitotic and meiotic chromosomes were previously described for 14 species. From among 18 species that had never been cytogenetically studied, we determined the diploid and haploid chromosome numbers and the sex determination system for 12 beetles. The karyotype for 6 species is not described because of a lack of mitotic and meiotic metaphases. Results confirm that most of the beetle species possess a small amount of heterochromatin and C-positive segments are weakly visible in pachytene stages and weakly or imperceptible in mitotic and meiotic metaphases. In some species with a large amount of heterochromatin, C-bands were observed in the centromeric region in all autosomes and the X chromosome. The Y chromosome does not show C-bands with the exception of Oedemera viridis in which it possesses a small band of heterochromatin.

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          Author and article information

          Journal
          15198705
          10.1111/j.1601-5223.2004.01810.x

          Chemistry
          Animals,Beetles,classification,genetics,Chromosome Banding,Chromosomes,Diploidy,Haploidy,Heterochromatin,Karyotyping,Male,Meiosis,Mitosis,Species Specificity,X Chromosome,Y Chromosome

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