Chromosome banding in three species of Brazilian toads (Amphibia-Bufonidae)

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Data

1996-06-01

Autores

Kasahara, S.
Silva, APZ
Haddad, CFB

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Editor

Soc Brasil Genetica

Resumo

The chromosomes of Bufo crucifer, B. ictericus, and B. pamacnemis were studied by conventional staining as well as with C banding and NOR techniques. These species have a diploid number of 2n = 22 and identical karyotypes, composed of metacentric and submetacentric chromosomes. The C banding patterns and NOR data indicate that these species of Bufo are not differentiated by the distribution and amount of constitutive heterochromatin or the position of the nucleolar organizer regions.

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Brazilian Journal of Genetics. Ribeirao Pret: Soc Brasil Genetica, v. 19, n. 2, p. 237-242, 1996.