Developmental Selection of Mutations

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Science  07 Oct 1960:
Vol. 132, Issue 3432, pp. 954
DOI: 10.1126/science.132.3432.954


The direction of evolution may at times be determined by the internal selection of genotypes during development, rather than by the external selection of phenotypes. Biological theory and experiment have reached the point where those concerned with evolutionary problems or with nuclear and cellular organization should consider this possibility.