A) Lamarck
B) de Vries
C) Mendel
D) Spencer
Correct Answer: A
Solution :
Jean Baptiste de Lamarck (1744-1829) was a French biologist, who proposed Theory of Evolution. His famous book Philosophic Zoologique published in 1809. Gregor John Mendel was the first investigator, who laid the foundation of inheritance by his experiments on pea plants. However he failed to explain the exact process by which the inheritable factors pass on the sex cells. Hugo de Vries gives the mutation theory of evolution. Mutations are sudden, permanent and inheritable changes in the genetic material of the organisms.
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