The analysis of meiosis of the B genome in common wheat

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Abstract
Two intervarietal hybrids of common wheat, T. aestivum L., are meiotically analyzed using the C-banding staining method. The C-banding pattern and 9 meiotic chromosomes (4A, 7A and the 7 of the B genome) permitted their unequivocal recognition at 1st metaphase plates. The pairing frequency of each B-genome chromosome arm was scored. Data on the pairing frequency of the arms, separately considered, are applied to calculate expected pairing of whole chromosomes and whole genomes. The application of mathematical models to predict the genome pairing using either equal or different frequencies per chromosome arm is discussed.