Alteration of basic chromosome number by fusion-fission cycles.
A complete chromosomal fusion-fission cycle is described for the first time. In the field bean, Vicia faba, this cycle probably started with a reversible fusion of two telocentrics giving rise to the standard metacentric chromosome I. The next step was a recent fission of this chromosome into two stable telocentrics eventually followed by a new fusion reconstituting the metacentric chromosome.
Schubert
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I
Rieger
R
R
Fuchs
J
J