Post-meiotic apozygotic combinatory process in sugar beet (Beta vulgaris L.)


The effect of colchicine on phenotypic classes ratio of the enzyme locus controlling alcohol dehydrogenase (ADH1) in sugar beet agamospermous progenies was analysed. The obtained data are indicative of the thing that colchicine causes polytenization of homological chromosome regions carrying marker locus Adh1 alleles. Theoretical calculation of the formation of egg cells frequencies and those of further development of cells entering embryogenesis without fertilization, also the diminution calculation of excessive chromosome regions carrying marker locus alleles have been made. The coincidence of theoretical and experimental ratios of phenotypic classes indicates the existence of post-meiotic apozygotic combinatory process in plants.

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Levites, E. and Kirikovich, S. (2012) Post-meiotic apozygotic combinatory process in sugar beet (Beta vulgaris L.). Advances in Bioscience and Biotechnology, 3, 75-79. doi: 10.4236/abb.2012.31011.

Conflicts of Interest

The authors declare no conflicts of interest.


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