The dynamics of aneuploidy in an induced tetraploid population of Lolium multiflorum x Lolium perenne

descriptionPublicationkeyboard_double_arrow_right Article 01 Mar 1982 English Publisher:Springer Science and Business Media LLCJournal:Theoretical and Applied Genetics, volume 62, pages 39-44 (issn: 0040-5752, eissn: 1432-2242,

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Authors: G M, Evans; E W, Davies;

doi: 10.1007/bf00276280

pmid: 24270532

The dynamics of aneuploidy in an induced tetraploid population of Lolium multiflorum x Lolium perenne

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Abstract

Populations of induced polyploids invariably contain a substantial proportion of aneuploid individuals. A model is described which can predict the level of aneuploidy in successive generations of a closed population of Lolium tetraploids. The results demonstrate clearly that the proportion of aneuploid individuals increases sharply for two to three generations and then stabilizes at a level determined by the gametic output of the euploid plants. A change in the gametic output of aneuploid individuals has a relatively small effect on the final level of aneuploidy reached.

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Aberystwyth University
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