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The effect of γ-irradiation treatment of seeds of intra- and interspecific F1 hybrid tomatoes on distortion of Mendelian monohybrid segregation, crossover variability, and recombination frequency of unlinked marker genes of chromosomes 2 and 6 was studied. It was found that more significant distortion effect on the segregation of marker loci of studied chromosomes was detected for seed treatment with...
A study was conducted into the course of meiosis in F1 interspecific hybrids of Lycopersicum esculentum Mill (mutant line Mo 638) × Lycopersicum chinense Dul. and its parental forms. An F1 interspecific hybrid was obtained through the embryo culture technique. A decrease in the chiasma frequency and an increase in the frequency of univalents and meiotic abnormalities compared to their parental forms...
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