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- Title
Temporal stability of P–M cytotype polymorphism in a natural population of Drosophila melanogaster.
- Authors
Izaabel, Hassan; Ronsseray, Stephane; Anxolabéhère, Dominique
- Abstract
The P–M system of hybrid dysgenesis in Drosophila melanogaster is a syndrome of genetic abnormalities which appears in the progeny of crosses between strains different with regard to their possession of ‘P’ transposable elements. Cytotype is an extrachromosomal property which regulates the mobility of the P element. We report here data showing that a cytotype polymorphism previously observed in a natural population from North-Africa is stable over a period of 5 years. A potentially high rate of mutation is associated with this cytotype polymorphism. Explanations of the appearance of a cytotype polymorphism are proposed and the consequences for the genetic load induced by transposable elements are discussed.
- Publication
Genetics Research, 1987, Vol 50, Issue 2, p99
- ISSN
0016-6723
- Publication type
Article
- DOI
10.1017/S0016672300023491