Yahoo Web Search

Search results

  1. Mutation theory is the idea that new species are formed by sudden and discontinuous changes in traits, proposed by Hugo de Vries in the early 20th century. It combined Darwinism and saltationism, and challenged the gradualism of neo-Lamarckism and eugenics.

  2. De Vries's theory was one of the chief contenders for the explanation of how evolution worked, leading, for example, Thomas Hunt Morgan to study mutations in the fruit fly, until the modern evolutionary synthesis became the dominant model in the 1930s.

  3. Sep 6, 2011 · In the history of evolutionary biology, Hugo de Vries is known as a proponent of the mutation theory of evolution, in which new species are believed to arise by single mutational events (de Vries 1901–1903, 1909, 1910).

    • Masatoshi Nei, Masafumi Nozawa
    • 10.1093/gbe/evr028
    • 2011
    • Genome Biol Evol. 2011; 3: 812-829.
  4. Learn about the life and work of Hugo de Vries, the botanist who proposed the mutation theory of evolution and rediscovered Mendel's laws of inheritance. Read how he studied plant variability, physiology, and heredity with his famous Oenothera experiments.

  1. People also search for