alleryThe **mutation theory of evolution** was proposed by:
AHugo de Vries (1901, working with *Oenothera*)
BLamarck
CDarwin
DMendel
Answer & Solution
Correct answer: A. Hugo de Vries (1901, working with *Oenothera*)
de Vries observed sudden discontinuous variations in evening primrose (*Oenothera lamarckiana*) and proposed that such mutations — large, sudden, heritable changes — drive evolution.
Contrasted with Darwin's emphasis on small gradual variations.
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