The Journal of Heredity 1993:84(2):135-138
© 1993 The American Genetic Association 84:135-138
research-article |
Marker Systems for BA Translocations in Maize
Biological Laboratories, Harvard University Cambridge, Massachusetts
Division of Biological Sciences, University of Missouri Columbia, MO 65211
Abstract
The translocations between the supernumerary B chromosomes and the normal A chromosomes in maize provide an unparalleled tool for gene localizations and dosage studies in a model plant genetic organism. Marker systems for 14 of the 18 chromosome arms having BA translocations are described in terms of their ability to classify all dosage classes at the mature kernel stage. These systems will facilitate dosage studies, mutant characterizations, gene localizations, and general maintenance of BA translocations. This system provides the most extensive set of genetic tools available in a diploid plant species for dosage analyses.
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