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Type: Artigo de periódico
Title: Structural Chromosomal Alterations In Hyla Albopunctata And Aplastodiscus Perviridis (anura, Hylidae) From The Morro Do Ferro Region Of Minas Gerais
Author: Feitosa V.L.C.
Recco-Pimentel S.M.
Cardoso A.J.
Abstract: Metaphase chromosomes were analyzed in Aplastodiscus perviridis from the locations: Morro do Ferro (MG), Serra da Bocaina (SP), Botucatu (SP), and in Hyla albopunctata found at: Morro do Ferro, Botucatu, and Campinas (SP). A significant quantity of metaphases with structural alterations were found in the Morro do Ferro population. These alterations were classified as: decondensation, condensation, breaks, gaps, deletions and acentric fragments. Breaks, deletions and fragments were the most frequent alterations and a great number of these occurred near centromeric heterochromatin. The frequency of altered metaphases varied among individuals in all populations studied. The majority of the alterations can probably be attributed to the high level of natural radiation at Morro do Ferro.
Rights: aberto
Identifier DOI: 
Date Issue: 1995
Appears in Collections:Unicamp - Artigos e Outros Documentos

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