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Early adjustment of patterns of metaphase association in the evolution of a polyploid species

, : Early adjustment of patterns of metaphase association in the evolution of a polyploid species. Genetica (Dordrecht) 78(1): 21-24, 1988

Evidence is presented for the adjustment of chromosomal association at metaphase in the very early stages of establishment of a new level of polyploidy. The species concerned is S. cambrensis Rossner, the hexaploid hybrid between S. squalidus L. (2n = 20) and S. vulgaris (2n = 40). It is suggested that the perfect bivalent pairing of S. vulgaris is the basis for the success of S. cambrensis.


DOI: 10.1007/bf00058670

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