EVIDENCE FOR GENE INACTIVATION IN THE VIRUS-INDUCED ABERRANT RATIO PHENOMENON IN MAIZE

1 Departments of Plant Pathology and Agronomy, University of Nebraska, Lincoln, Nebraska 68583

Reciprocal crosses were made between pairs of plants showing the "aberrant ratio" (AR) effect at the a locus, and simultaneously between these plants and an aa tester. The results suggested that the AR effect in the particular line that was used could be explained by inactivation of a gene other than A, but also required for aleurone color. Segregation ratios in additional crosses largely fit expectations predicted on the basis of this hypothesis.

Submitted on January 11, 1979
Revised on May 18, 1979




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