Abstract
The karyotypes shown here came from short term blood cultures. The 4th pair of macrochromosomes is heteromorphic in the female ZW and homomorphic in the male ZZ. Both snakes were captured in Brazil, the male specimen in São Paulo. Both are preserved in the Collection of the Instituto Butantan.
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References
Beçak, W.: Constituição cromossômica e mecanismo de determinação do sexo em ofidios sul-americanos. I. Aspectos cariotipicos. Mem. Inst. Butantan 32: 37, 1965.
Beçak, W.: Constituição cromossômica e mecanismo de determinação,do sexo em ofidios sul-americanos. II. Cromossomos sexuais e evoluçao do cariotipo. Mem. Inst. Butantan. Simp. int. 33: 775, 1966.
Beçak, W.: Karyotypes, sex chromosomes and chromosomal evolution in snakes. In “Venomous Animals and their Venoms” W. Bücherl, E. Buckley and V. Deulofeu,eds. Vol. I, p. 53. Academic Press, New York 1968.
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© 1971 Springer Science+Business Media New York
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Beçak, M.L. et al. (1971). Philodryas olfersii olfersii Lichtenstein. In: Beçak, M.L., et al. Chromosome atlas: Fish, Amphibians, Reptiles and Birds. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-662-38220-2_30
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DOI: https://doi.org/10.1007/978-3-662-38220-2_30
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