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Evidence for Triplicate Genes for Alcohol Dehydrogenase in Hexaploid Wheat

Gary E. Hart
Proceedings of the National Academy of Sciences of the United States of America
Vol. 66, No. 4 (Aug. 15, 1970), pp. 1136-1141
Stable URL: http://www.jstor.org/stable/59930
Page Count: 6
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Since scans are not currently available to screen readers, please contact JSTOR User Support for access. We'll provide a PDF copy for your screen reader.
Evidence for Triplicate Genes for Alcohol Dehydrogenase in Hexaploid Wheat
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Abstract

The alcohol dehydrogenase zymogram phenotypes of 40 wheat strains, each possessing a distinctive chromosomal constitution, were determined. Genes involved in the production of alcohol dehydrogenase were located on the beta arm of chromosome 4A and on chromosomes 4B and 4D. The results support the hypothesis that the active alcohol dehydrogenase isozymes are dimers composed of the six possible combinations of subunits coded by triplicate structural genes.

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