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Alteration by centric fission of the diploid chromosome number in Vicia faba L.

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Abstract

An individual with a diploid chromosome complement of 2n=14 instead of 2n=12 is deseribed for the broad bean Vicia faba L. This karyotypic deviation resulted from ‘centromere splitting’ of the wildtype metacentric satellite chromosome pair as demonstrated by Giemsa banding pattern. It is the first case of centric fission observed in this species. Our data support the hypothetic mechanism of Robertsonian rearrangements suggested by Holmquist and Dancis (Genetica 52–53: 151–163, 1980).

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Authors and Affiliations

  1. Zentralinstitut für Genetik und Kulturpflanzenforschung, AdW, DDR-4325, Gatersleben, G.D.R.

    I. Schubert & R. Rieger

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  1. I. Schubert
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  2. R. Rieger
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Schubert, I., Rieger, R. Alteration by centric fission of the diploid chromosome number in Vicia faba L.. Genetica 81, 67–69 (1990). https://doi.org/10.1007/BF00055238

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  • DOI: https://doi.org/10.1007/BF00055238

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