Chromosomes of south american bufonidae (amphibia, anura)
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1973Resumen
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.Resumen
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.Palabras clave
Ciencias Naturales ; Biología ; Plantas ; animales ; Historia Natural ; Paleobotánica ; Paleozoología ; Ornitología ; Herpetología ; Botánica ; Entomología ; Parasitología ; Ictiología ; Chromosomes ; Amphibia ; Anura ; Heteromorphic pairs ; Chromosomes ; Amphibia ; Anura ; Heteromorphic pairs ;
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- Caldasia [1459]
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