Who was the proponent of the theory of inheritance of acquired characters?

Options

A. A.I. Oparin
B. Hugo de Vries
C. Lamarck
D. Weinberg

Answer

**Step-by-Step Solution:**

1. **Understanding the Question**: The question asks for the proponent of the theory of inheritance of acquired characters. This theory suggests that traits acquired during an organism's lifetime can be passed on to its offspring.

2. **Identifying the Options**: The options provided are:
- A. I. Opron
- B. Hugo de Vries
- C. Lamarck
- D. Weinberg

3. **Analyzing Each Option**:
- **A. I. Opron**: He is known for his work on chemical evolution, not the inheritance of acquired characters.
- **B. Hugo de Vries**: He proposed the mutation theory, which is different from the inheritance of acquired characters.
- **C. Lamarck**: He is the scientist who proposed the theory of inheritance of acquired characters, suggesting that traits developed during an organism's life can be passed to the next generation.
- **D. Weinberg**: He is known for the Hardy-Weinberg principle, which relates to population genetics, not the inheritance of acquired characters.

4. **Conclusion**: The correct answer is **C. Lamarck**, as he is the proponent of the theory of inheritance of acquired characters.

---