RECESSIVE ALLELES FOUND AT R AND C LOCI IN MAIZE STOCKS SHOWING ABERRANT RATIO AT THE A LOCUS

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

Corn stocks showing virus-induced aberrant ratio (AR) at the "A" locus were found to have recessive alleles at the R and/or C loci. Since by the known pedigree these loci should be homozygous dominant, the results suggest an inactivation of maize genes by a mechanism as yet unknown. The presence of recessive alleles at these additional loci can explain the segregation ratios obtained in these particular stocks.

Submitted on April 13, 1981
Revised on September 10, 1981




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