Cytogenetic Characterization of Two Species of the Genus Crenicichla (Pisces, Cichlidae).
نویسندگان
چکیده
منابع مشابه
Cytogenetic characterization of Crenicichla (Pisces, Perciformes, Cichlidae) of the Iguaçu River.
Three populations of the genus Crenicichla, namely Crenicichla iguassuensis, Crenicichla sp 1 and Crenicichla sp 2, from the Iguaçu River, were analyzed cytogenetically, and their nucleolus organizer regions, constitutive heterochromatin distribution and chromomycin A3 markings were studied. Karyotype analyses showed a diploid number of 48 chromosomes, made up of 2 metacentric pairs, 2 submetac...
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متن کاملCytogenetic study of two Alhagi species
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15 صفحه اولFirst Cytogenetic Description of the Species Rhamdella microcephala (Pisces, Hepapteridae)
Cytogenetic studies were carried out on Rhamdella microcephala collected from the headwaters of the Machado river, a tributary of the Sapucaí river, Minas Gerais, Brazil. Sixteen specimens exhibited 2n556 chromosomes, with 18 metacentrics, 30 submetacentrics and 8 subtelocentric-acrocentrics (FN584). The nucleolar organizing regions (NORs) were identified in the interstitial position on the lon...
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ژورنال
عنوان ژورنال: CYTOLOGIA
سال: 2000
ISSN: 0011-4545,1348-7019
DOI: 10.1508/cytologia.65.57