Chromosomes of south american bufonidae (amphibia, anura)
Karyotypes of eight of South American Bufonidae were studied: B.ictericus, B. spinulosus spinulosus, B. arenarum, B. g. fernandezae, B. g. d'orbignyi, B. crucifer, B. paracnemis and B. marinus. In all species 2n = 22 chromosomes were found. Neither heteromorphic pairs of chromosomes nor bivalen...
| Autores: | , |
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| Formato: | artículo |
| Estado: | Versión publicada |
| Fecha de publicación: | 1973 |
| País: | Colombia |
| Recursos: | Universidad Nacional de Colombia |
| Repositorio: | Repositorio UN |
| Idioma: | español |
| OAI Identifier: | oai:repositorio.unal.edu.co:unal/44032 |
| Acesso em linha: | https://repositorio.unal.edu.co/handle/unal/44032 http://bdigital.unal.edu.co/34130/ |
| Access Level: | acceso abierto |
| Palavra-chave: | Ciencias Naturales Biología Plantas animales Historia Natural Paleobotánica Paleozoología Ornitología Herpetología Botánica Entomología Parasitología Ictiología Chromosomes Amphibia Anura Heteromorphic pairs |
| Resumo: | Karyotypes of eight of South American Bufonidae were studied: B.ictericus, B. spinulosus spinulosus, B. arenarum, B. g. fernandezae, B. g. d'orbignyi, B. crucifer, B. paracnemis and B. marinus. In all species 2n = 22 chromosomes were found. Neither heteromorphic pairs of chromosomes nor bivalents with characteristic morphology and behavior of sex chromosomesduring male meiosis were observed in any species. |
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