doi: 10.1098/rstb.1986.0002.
On the evolution and population genetics of hybrid-dysgenesis-causing transposable elements in Drosophila
- PMID: 2870517
- DOI: 10.1098/rstb.1986.0002
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On the evolution and population genetics of hybrid-dysgenesis-causing transposable elements in Drosophila
Philos Trans R Soc Lond B Biol Sci.
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Abstract
Much has been learned about transposable genetic elements in Drosophila, but questions still remain, especially concerning their evolutionary significance. Three such questions are considered here. Has the behaviour of transposable elements been most influenced by natural selection at the level of the organism, the population, or the elements themselves? How did the elements originate in the genome of the species? Why are laboratory stocks different from natural populations with respect to their transposable element composition? No final answers to these questions are yet available, but by focusing on the two families of hybrid dysgenesis-causing elements, the P and I factors, we can draw some tentative conclusions.
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