Abstract
The karyotypes were obtained by squash preparations of intestine. An intraindividual and intrapopulational karyotype variation in number apparently due to supernumerary chromosomes was observed in the iguanids from Minas Gerais and Maranhão, Brazil: 2n = 36 (12 + 24m), 2n = 37 (13M + 24m) and 2n = 38 (14M + 24m). The additional macrochromosome is submetacentric and the smallest of the karyotype.
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References
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Gorman, G. C., Atkins, L. and Holzinger, T.: New karyotypic data on 15 genera of lizards in the family Iguanidae, with discussion of taxonomic and cytological implications. Cytogenetics 6: 286, 1967.
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Beçak, M.L., Beçak, W., Roberts, F.L., Shoffner, R.N., Volpe, E.P. (1973). Tropidurus torquatus (Wied) (Calango) 2n = 36 (37, 38). In: Beçak, M.L., Beçak, W., Roberts, F.L., Shoffner, R.N., Volpe, E.P. (eds) Chromosome Atlas: Fish, Amphibians, Reptiles, and Birds. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-65751-1_32
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DOI: https://doi.org/10.1007/978-3-642-65751-1_32
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