Ribonuclease Activity in Normal and Opaque-2 Mutant Endosperm of Maize

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Science  24 Mar 1967:
Vol. 155, Issue 3769, pp. 1575-1576
DOI: 10.1126/science.155.3769.1575


Three strains of maize heterozygous for the opaque-2 mutant gene were self-pollinated to produce ears bearing both normal and opaque kernels. The ribonuclease activity of the opaque-2 endosperm was two to more than four times as high as the activity in the normal endosperm.