Chromosomal investigation of three Costa Rican frogs from the 30-chromosome radiation of Hyla with the description of a unique geographic variation in nucleolus organizer regions

@article{Kaiser2004ChromosomalIO,
  title={Chromosomal investigation of three Costa Rican frogs from the 30-chromosome radiation of Hyla with the description of a unique geographic variation in nucleolus organizer regions},
  author={Hinrich Kaiser and Christine Mais and Federico Bola{\~n}os and Claus Steinlein and Wolfgang Feichtinger and Michael Schmid},
  journal={Genetica},
  year={2004},
  volume={98},
  pages={95-102}
}
A cytogenetic investigation of Hyla ebraccata Cope, H. microcephala Cope, and H. phlebodes Stejneger revealed that the karyotypes of these 30-chromosome Hyla are very conservative. With the exception of some structural rearrangements, only few differences in chromosomal morphology could be discerned. Based on our results, we hypothesize that the telomeric position of nucleolus organizer regions (NOR) on chromosome no. 10 may represent a derived condition in 30-chromosome Hyla. This cytotype was… CONTINUE READING

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