O-chromosome lethal frequencies in Serbian and Montenegrin Drosophila subobscura populations

Lethal chromosomal frequencies were obtained from three Drosophila subobscura samples from the Mt. Avala (Serbia) population in September 2003 (0.218), June 2004 (0.204) and September 2004 (0.250). These values and those from other Balkan populations studied previously (Petnica, Kamariste, Zanjic an...

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Veröffentlicht in:Genetika 2011-10, Vol.47 (10), p.1364-1370
Hauptverfasser: Zivanovic, G, Arenas, C, Mestres, F
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description Lethal chromosomal frequencies were obtained from three Drosophila subobscura samples from the Mt. Avala (Serbia) population in September 2003 (0.218), June 2004 (0.204) and September 2004 (0.250). These values and those from other Balkan populations studied previously (Petnica, Kamariste, Zanjic and Djerdap) were used to analyze the possible effect of population, year, month and altitude above sea level on lethal chromosomal frequencies. According to ANOVAS no effect were observed. Furthermore, the lethal frequencies of the Balkan populations did not vary according to latitude. This is probably due to the relative proximity and high gene flow between these populations. From a joint study of all the Palearctic D. subobscura populations so far analyzed, it can be deduced that the Balkan populations are located in the central area of the species distribution. Finally, it seems that lethal chromosomal frequencies are a consequence of the genetic structure of the populations.
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language eng
recordid cdi_csuc_recercat_oai_recercat_cat_2072_202094
source Recercat
subjects Animals
Chromosome Inversion - genetics
Chromosomes
Chromosomes, Insect - genetics
Cromosomes
Drosophila - genetics
Drosophila subobscura
Drosòfila subobscura
Gene Frequency - genetics
Genes, Lethal - genetics
Genetics
Genètica
Genètica de poblacions
Montenegro
Polymorphism, Genetic
Population Genetics
Serbia
title O-chromosome lethal frequencies in Serbian and Montenegrin Drosophila subobscura populations
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