c-m888104 - a mutable allele under 2-element control --Peter A. Peterson In a segregating population arising from the self of c-m/c sh wx, colorless shrunken and colorless round were selected from kernels segregating for variegated round, colorless round and colorless shrunken. In the cross of colorless round x numbered colorless shrunken, the following segregating progeny was observed.

This would indicate that the colorless round is a responsive allele responding to a separable element carried in the colorless shrunken kernels. Since this mutable arose in a Cy-containing plot, the initial tests were for a Cy relation. These tests exclude Cy as the functional element triggering mutability.

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