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Sex chromosomes in mitotic and polytene tissues of Anastrepha fraterculus (Diptera, Tephritidae) from Argentina: a review

Abstract
Cytogenetics, which is considered a fundamental tool to understand basic genetic and genomic issues of species, has greatly contributed to the description of polymorphisms both at inter- and intra-specific level. In fact, cytogenetics was one of the first approaches used to propose Anastrepha fraterculus (Diptera: Tephritidae) as a complex of cryptic species. Different morphological variants of sex chromosomes have been reported among Argentinean [ver mas...]
Cytogenetics, which is considered a fundamental tool to understand basic genetic and genomic issues of species, has greatly contributed to the description of polymorphisms both at inter- and intra-specific level. In fact, cytogenetics was one of the first approaches used to propose Anastrepha fraterculus (Diptera: Tephritidae) as a complex of cryptic species. Different morphological variants of sex chromosomes have been reported among Argentinean populations of Anastrepha fraterculus. However, since this high structural variability in sex chromosomes does not pose a reproductive barrier, their role in speciation is yet to be unveiled. This review provides an update on general aspects of cytogenetics in Argentinean Anastrepha fraterculus populations, focused on the prevalence of X-Y arrangements. [Cerrar]
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Author
Giardini, Maria Cecilia;   Milla, Fabian Horacio;   Lanzavecchia, Silvia Beatriz;   Nieves, Mariela;   Cladera, Jorge Luis;  
Fuente
ZooKeys 540 : 83-94 (Noviembre 2015)
Date
2015-11
Editorial
Pensoft Publishers
ISSN
1313-2970
URI
http://hdl.handle.net/20.500.12123/8734
https://zookeys.pensoft.net/articles.php?id=6085
DOI
https://doi.org/10.3897/zookeys.540.6058
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INTA/AEBIO-242411/AR./Epidemiología molecular agropecuaria de patógenos y plagas de importancia económica

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Cytogenetics; Citogenética; Karyotypes; Cariotipos; Tephritidae; Heterochromatin; Heterocromatina; Centromeres; Centrómeros; Anastrepha fraterculus; Argentina; Sex Chromosomes; Cromosomas Sexuales; Argentina;
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