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Genetica

, Volume 61, Issue 1, pp 41–46 | Cite as

Trisomics inArabidopsis thaliana and the location of linkage groups

  • M. Koornneef
  • J. H. Van der Veen
Article

Abstract

The 5 primary trisomics and 4 out of the 10 possible telotrisomics were isolated inArabidopsis thaliana (L.) Heynh. (2n=10) var. Landsberg ‘erecta’. Identification was on the basis of the meiotic chromosome counts and the characteristic segregation ratios of specific linkage-group markers with the corresponding trisomics. By means of trisomic analysis and additional linkage data, Rédei's 6 linkage groups and McKelvie's 4 linkage groups could be assigned to the 5 different chromosomes. Female transmission of the different trisomics ranged from 16% to 30% and male transmission from 0% to 32%. The higher male transmission rates were found among the telotrisomics. Theer/er genotype is found to have a pronounced adverse effect on female fertility of the trisomics.

Keywords

Adverse Effect Linkage Group Transmission Rate Segregation Ratio Linkage Data 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Dr W. Junk Publishers 1983

Authors and Affiliations

  • M. Koornneef
    • 1
  • J. H. Van der Veen
    • 1
  1. 1.Department of GeneticsAgricultural UniversityWageningenThe Netherlands

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