Кроссинговер у мейотических мутантов томата
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Institute of Genetics, Physiology and Plant Protection of the ASM
University of the Academy of Science of Moldova
University of the Academy of Science of Moldova
Abstract
Synaptic mutants of tomato as1, dsm1, dsm2 revealed a reduction in the frequency of chiasmata in meiotic cell and normal level of recombination frequency. Mutant sti, which is characterized by impaired chromatin condensation, showed a significant increase in the frequency of crossing-over in homo-and heterozygous state. The phenomenon of incomplete recessive mutant allele (or overdominance normal) allows the use of heterozygous plants in breeding with a view to expanding the range of combinative variability.
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Лисовская Т. П. Кроссинговер у мейотических мутантов томата / Т. П. Лисовская, И. И. Кузьмишина, Л. А. Коцун // GENETICA, FIZIOLOGIA ŞI AMELIORAREA PLANTELOR : materialele conferinței științifice internaționale (ediția V-a), (Republica Moldova, Chișinău, 23–24 octombrie 2014). - Chișinău, 2014. - P. 113-117.