Studies of the species barrier between Drosophila subobscura and D. madeirensis. III. How universal are the rules of speciation?

descriptionPublicationkeyboard_double_arrow_right Article 01 Apr 1993 Portugal English Publisher:Springer Science and Business Media LLCJournal:Heredity, volume 70, pages 353-361 (issn: 0018-067X, eissn: 1365-2540,

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Authors: Khadem, Mahnaz; Krimbas, Costas B.;

doi: 10.1038/hdy.1993.50 , 10.5281/zenodo.10752012

pmid: 8496066

handle: 10400.13/3717

Studies of the species barrier between Drosophila subobscura and D. madeirensis. III. How universal are the rules of speciation?

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Abstract

The prevalence of Haldane's rule and the large effect of the X chromosome are examined by analysing the genetics of seven abnormal characters in interspecies hybrids between D. subobscura and D. madeirensis. In two cases Haldane's rule is not obeyed (viability and abnormality of the head). In all characters except the abnormal abdominal tergites, an important effect of the X chromosome is observed. There is an asymmetry in the importance of the effect of the X chromosome. The X of D. madeirensis origin induces abnormality mostly in a mixed background. The Y chromosome plays an important role in determining male sterility.

Country

Portugal

Related Organizations

University of Madeira
Portugal
Agricultural University of Athens
Greece

Keywords

Male, Insecta, X Chromosome, Arthropoda, Haldane's rule, ., Faculdade de Ciências da Vida, Hybrid viability, flies, Abdomen, Testis, Animalia, Animals, Crosses, Genetic, Taxonomy, Diptera, Sex chromosomes, Biodiversity, Organ Size, Hybrid sterility, fruit flies, Sperm Motility, Hybridization, Genetic, Hybrid abnormality, Drosophila, Female, Head, Infertility, Female

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