Studies of the species barrier between Drosophila madeirensis and Drosophila subobscura. II, Genetic analysis of developmental incompatibilities in hybrids

Studies of the species barrier between Drosophila madeirensis and Drosophila subobscura. II, Genetic analysis of developmental incompatibilities in hybrids

The genetic analysis of two abnormal characters, extra sex combs and abnormal head shape in hybrids between Drosophila madeirensis and Drosophila subobscura, revealed a major effect of the X chromosome in both cases. Autosomes also play a role in determining these abnormalities, the E chromosome in...

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Veröffentlicht in:Hereditas 1991, Vol.114 (2), p.189-195
Hauptverfasser: KHADEM, M, KRIMBAS, C. B
Format: Artikel
Sprache:eng
Schlagworte:
Animals
Biological and medical sciences
Chi-Square Distribution
Classical genetics, quantitative genetics, hybrids
Drosophila - genetics
Drosophila subobscura
Female
Fertility - genetics
Fundamental and applied biological sciences. Psychology
Genetic Markers
Genetics of eukaryotes. Biological and molecular evolution
Hybridization, Genetic
Invertebrata
Male
Phenotype
Species Specificity
X Chromosome
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Beschreibung
Zusammenfassung:The genetic analysis of two abnormal characters, extra sex combs and abnormal head shape in hybrids between Drosophila madeirensis and Drosophila subobscura, revealed a major effect of the X chromosome in both cases. Autosomes also play a role in determining these abnormalities, the E chromosome in case of extra sex combs, the E and O chromosomes in case of abnormal head shape. Autosomes do not cause the two abnormal characters, without interacting with the X chromosome.
ISSN:0018-0661
1601-5223
DOI:10.1111/j.1601-5223.1991.tb00323.x