Using interspecific hybridization among various Brassica species, B‐genome chromosomes from different sources of Brassica, i.e. B. nigra (BB, 2n = 18), B. carinata (BBCC), 2n = 34) and B. juncea (AABB, 2n = 36) were transferred into the Canadian variety ‘Andor’ of B. napus. Monosomic addition lines were selected (AACC + 1B, 2n = 39) by cytological control. For characterization of the alien chromosomes, series of isozymes, RFLPs and RAPD markers were employed. This permitted the identification of a total of 39 lines representing seven of the eight B‐genome chromosomes.
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Struss et al. (1992) studied this question.
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