Segregation patterns of isozyme loci and microsatellite markers show the diploidy of African yam Dioscorea rotundata (2n=40)

  title={Segregation patterns of isozyme loci and microsatellite markers show the diploidy of African yam Dioscorea rotundata (2n=40)},
  author={Nora Scarcelli and Ogoubi Da{\"i}nou and Cl{\'e}ment Agbangla and Serge Tostain and J. -L. Pham},
  journal={Theoretical and Applied Genetics},
The cultivated yam species Dioscorea rotundata (2n=40) has been considered by most authors as a tetraploid species with a basic chromosome number of ten. In this paper, we analysed the segregation of two isozyme loci and six microsatellite markers in the progeny of a self-fertilised monoecious plant. For the eight markers, segregation patterns could be explained by only two genetic models: diploidy or tetraploidy with two null alleles. Given the nature of studied markers, the most parsimonious… CONTINUE READING
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