c-846432, a mutation of C-I to c

From an En-laden population with C-I C-I crossed by a C allele, a colored exception was isolated. In subsequent tests with an En responsive c-m(r) tester, colorless kernels appeared among the progeny. This would indicate that En is not present and the original C-I mutated to c. From these tests, an insert of an I element cannot be determined since this would give the same phenotype.

Peter A. Peterson

Please Note: Notes submitted to the Maize Genetics Cooperation Newsletter may be cited only with consent of the authors.

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