Effect of the O Chromosome of Drosophila Subobscura on Abdominal Bristle Number

The role of the 0 chromosome of D. subobscura on the control of abdominal bristle number was analyzed. The study was performed using four strains derived from four lines selected for high (H1 and H2) and low (L1, and L2) bristle number. In all the lines, the factors for abdominal bristle number carr...

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Bibliographic Details
Published in:Hereditas 1993-01, Vol.119 (1), p.15-20
Main Authors: García-Agustín, P., Martínez-Sebastián, M. J., Ménsua, J. L.
Format: Article
Language:English
Subjects:
Abdomen
Animals
Biological and medical sciences
Chromosomes - physiology
Classical genetics, quantitative genetics, hybrids
Drosophila - genetics
Drosophila - ultrastructure
Drosophila subobscura
Female
Fundamental and applied biological sciences. Psychology
Genetics of eukaryotes. Biological and molecular evolution
Heterozygote
Homozygote
Invertebrata
Male
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Summary:The role of the 0 chromosome of D. subobscura on the control of abdominal bristle number was analyzed. The study was performed using four strains derived from four lines selected for high (H1 and H2) and low (L1, and L2) bristle number. In all the lines, the factors for abdominal bristle number carried on the O chromosome showed additive effects and diminished the number of abdominal bristles. The negative effect of the O chromosomes from low selection lines was found to be stronger than the negative effect of the O chromosomes from high selection lines.
ISSN:0018-0661
1601-5223
DOI:10.1111/j.1601-5223.1993.00015.x