Biblioteca Digital

5 resultados para symbolic mutation

em Biodiversity Heritage Library, United States

Species and varieties, their origin by mutation; lectures delivered at the University of California by Hugo De Vries ... ed. by Daniel Trembly Mac Dougal ...

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The mutation theory; experiments and observations on the origin of species in the vegetable kingdom, by Hugo de Vries ... tr. by Prof. J. B. Farmer and A. D. Darbishire ...

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The course of evolution by differentiation or divergent mutation rather than by selection, by J. C. Willis.

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Species and varieties : their origin by mutation / lectures delivered at the University of California by Hugo DeVries ; edited by Daniel Trembly MacDougal.

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Symposium on Mutation and Plant Breeding; [proceedings] Sponsored by the Committee on Plant Breeding and Genetics of the Agricultural Board.

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