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Polytene chromosome map and inversion polymorphism in Drosophila mediopunctata
Ananina, Galina; Peixoto, Alexandre A; Souza, Wilma N; Klaczko, Louis B.
Affiliation
  • Ananina, Galina; Universidade Estadual de Campinas. Instituto de Biologia. Departamento de Genética e Evoluçäo. Campinas. BR
  • Peixoto, Alexandre A; Fiocruz. Instituto Oswaldo Cruz. Departamento de Bioquímica e Biologia Molecular. Rio de Janeiro. BR
  • Souza, Wilma N; Universidade Estadual de Campinas. Instituto de Biologia. Departamento de Genética e Evoluçäo. Campinas. BR
  • Klaczko, Louis B; Universidade Estadual de Campinas. Instituto de Biologia. Departamento de Genética e Evoluçäo. Campinas. BR
Mem. Inst. Oswaldo Cruz ; 97(5): 691-694, July 2002. ilus, tab, graf
Article in English | LILACS | ID: lil-321215
Responsible library: BR1.1
ABSTRACT
Drosophila mediopunctata belongs to the tripunctata group, and is one of the commonest Drosophila species collected in some places in Brazil, especially in the winter. A standard map of the polytene chromosomes is presented. The breakpoints of the naturally occurring chromosomal rearrangements are marked on the map. The distribution of breaking points through the chromosomes of D. mediopunctata is apparently non-random. Chromosomes X, II and IV show inversion polymorphisms. Chromosome II is the most polymorphic, with 17 inversions, 8 inversions in the distal region and 9 in the proximal region. Chromosome X has four different gene arrangements, while chromosome IV has only two
Subject(s)
Full text: Available Collection: International databases Database: LILACS Main subject: Polymorphism, Genetic / Chromosome Mapping / Drosophila Proteins / Drosophila / Chromosome Inversion Limits: Animals Language: English Journal: Mem. Inst. Oswaldo Cruz Journal subject: Tropical Medicine / Parasitology Year: 2002 Document type: Article Affiliation country: Brazil Institution/Affiliation country: Fiocruz/BR / Universidade Estadual de Campinas/BR
Full text: Available Collection: International databases Database: LILACS Main subject: Polymorphism, Genetic / Chromosome Mapping / Drosophila Proteins / Drosophila / Chromosome Inversion Limits: Animals Language: English Journal: Mem. Inst. Oswaldo Cruz Journal subject: Tropical Medicine / Parasitology Year: 2002 Document type: Article Affiliation country: Brazil Institution/Affiliation country: Fiocruz/BR / Universidade Estadual de Campinas/BR
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