Who first discovered real mutations?

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(D) Hugo de Vries was the first scientist to observe and describe mutations in the evening primrose plant, $Oenothera$ $	ext{lamarckiana}$. He coined

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de Vries

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(D) Hugo de Vries was the first scientist to observe and describe mutations in the evening primrose plant, $Oenothera$ $	ext{lamarckiana}$. He coined the term 'mutation' to describe these sudden, heritable changes in the genetic material of an organism. While others like Muller and Stadler later worked on induced mutations using $X$-rays, the initial discovery of spontaneous mutations is credited to de Vries.

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