A c mutant arose from a C-I allele. From the same cross shown as cross B above a colored kernel appeared amidst an ear that was otherwise completely colorless. This kernel was designated c-836957. Crosses with C sh bz wx gave a progeny distribution shown below.
The mottled in lines 1 and 2 are not easily explained, but their distribution excludes the segregation of r. The colorless in line 1 are more easily explained by a reversion of the mutant c to C-I. En is present as is evident from the spotted (sp): colorless (cl) distribution seen in line 2.
Peter A. Peterson
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