Chromosomal analysis in Cathartidae: distribution of heterochromatic blocks and rDNA, and phylogenetic considerations

@article{Tagliarini2008ChromosomalAI,
  title={Chromosomal analysis in Cathartidae: distribution of heterochromatic blocks and rDNA, and phylogenetic considerations},
  author={Marcella Mergulh{\~a}o Tagliarini and J{\'u}lio C{\'e}sar Pieczarka and Cleusa Yoshiko Nagamachi and Jorge Dores Rissino and Edivaldo Herculano Corr{\^e}a de Oliveira},
  journal={Genetica},
  year={2008},
  volume={135},
  pages={299-304}
}
Three species of Cathartidae (Sarcoramphus papa, Cathartes aura and Cathartes burrovianus) were cytogenetically characterized by G- and C-banding. 18S–28S rDNA was used as a probe to map major ribosomal clusters. These species showed very similar karyotypes, with 2n = 80, 10 pairs of macrochromosomes, a submetacentric Z and a metacentric W chromosome. However, differences were found in the amount and distribution of heterochromatic blocks: S. papa showed heterochromatin only in the… 
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