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Summary

This paper presents the results of studying the peculiarities of meiosis in F1 hybrids morphologically marked monosomic lines sort Kazakhstan-126 on chromosomes 4B, 5A, 1A and 1B. In the cours of cytological analysis were identified monosom and disom plants installed stabilization of meiosis and there have been some minor types of violations as a backlog of chromosomes, division of asynchrony in anaphase AII, formation of telotsentriks and polyvalent association of chromosomes.

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