Darwin could not properly explain the theory of evolution due to lack of

Options

A. evidences
B. variations
C. speciation
D. genetics

Answer

**Step-by-Step Solution:**

1. **Understanding the Question**: The question asks why Darwin could not properly explain his theory of evolution. We need to identify the specific area where he lacked knowledge.

2. **Analyzing the Options**: The options provided are:
- A) Evidences
- B) Variation
- C) Speciation
- D) Genetics

3. **Evaluating Each Option**:
- **Evidences**: Darwin presented various evidences for his theory, such as fossil records and geographical distribution of species.
- **Variation**: Darwin acknowledged variation among species, which is a key component of natural selection.
- **Speciation**: Darwin discussed speciation, explaining how new species arise from existing ones.
- **Genetics**: At the time of Darwin, the field of genetics was not yet established. He lacked knowledge about the principles of inheritance and how traits are passed from one generation to the next.

4. **Conclusion**: The area in which Darwin lacked understanding, and which hindered his explanation of evolution, is genetics. Therefore, the correct answer is option D) Genetics.

**Final Answer**: Darwin could not properly explain the theory of evolution due to lack of genetics.

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