name the plant in which mutation were observed by hugo de vries? also give the scientific name of plant.....
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Working Out the Mutation Theory
In 1886 near Hilversum, outside of Amsterdam, de Vries noted what appeared to be several species of the evening primrose, Oenothera lamarckiana, growing side-by-side.
Works written: Intracellular Pangenesis: Including a Paper on Fertilization and Hybrid...
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Answer:
Hugo de Vries was a Dutch geneticist who was one among several scientists in the late 1800s studying heredity, how living things can pass traits from one generation to the next. He began his work not long after Charles Darwin introduced his concept of natural selection. De Vries' experiments and ideas helped shaped what we know about genetics, mutations, and evolution.
Geneticist Hugo de Vries, developer of mutation theory
hugo de vries
Experiments to Describe Mutations
Hugo de Vries performed his experiments on evening primrose plants after he noticed sudden changes between generations. For example, he noted that most of the offspring looked like the parent, but some looked different, with perhaps a different leaf shape or different plant size. He called these changes mutations.
De Vries wondered if these 'sudden' mutations could be passed on to to the next generation. So he bred the plants, and he found that their offspring indeed also had the mutations. Because these plants kept the mutations, he considered them to be brand new species.
Mutation Theory and Evolution
Prior to de Vries' work, Charles Darwin had proposed his theory of natural selection as a slow, gradual change of species over time. Many scientists at the time believed in this very slow process, called gradualism. They thought the process involved many small changes occurring and building up over many generations.
However, de Vries disagreed with the slow and steady idea after seeing the 'sudden' mutations in the evening primrose