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The effect of accessory chromatin on chiasma distribution in maize
Canadian Journal of Genetics and Cytology. Journal Canadien De Genetique Et De Cytologie
|September 1, 1976
Abstract:
From an analysis of metaphase I bivalent configurations in Zea mays L. it was possible to determine the effects of two supernumerary elements on chiasma formation. Both the B chromosome and abnormal chromosome 10 increased chiasma frequency. In addition to enhancing total exchanges, both elements caused a redistribution of chiasmata from distal to more proximal locations.