Hugo de Vries and the rediscovery of Mendel's laws
Hugo de Vries claimed that he had discovered Mendel's laws before he found Mendel's paper. De Vries's first ratios, published in 1897, for the second generation of hybrids (F 2 ) were 2/3:1/3 and 80%:20%. By 1900, both of these ratios had become 3:1. These changing ratios suggest that as late as 1897 de Vries had not discovered the laws, although he asserted, from 1900 on, that he had found the laws in 1896. An Appendix details de Vries's Mendelian experiments as described in the original edition (1903) of volume two of Die Mutationstheorie , but omitted entirely from the English translation (1910).
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Document Type: Research Article
Affiliations: Bell Museum of Natural History, University of Minnesota, 10 Church St. S.E., Minneapolis, Minnesota, 55455, U.S.A.
Publication date: 01 September 1979