Alteration of basic chromosome number by fusion–fission cycles
- 1 December 1995
- journal article
- Published by Canadian Science Publishing in Genome
- Vol. 38 (6) , 1289-1292
- https://doi.org/10.1139/g95-170
Abstract
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.Key words: karyotype evolution, chromosome number, chromosomal fusion–fission cycle, Vicia faba.Keywords
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