In which type of parthenogenesis, only males are produced ?

Options

A. Arrhenotocky
B. Thelytoky
C. Amphitoky
D. Both (1) and (2)

Answer

To solve the question "In which type of parthenogenesis, only males are produced?", we can follow these steps:

### Step-by-Step Solution:

1. **Understand Parthenogenesis**:
- Parthenogenesis is a form of asexual reproduction where an egg develops into an embryo without fertilization.

2. **Identify Types of Parthenogenesis**:
- There are different types of parthenogenesis, and we need to focus on those that specifically produce males.

3. **Types of Parthenogenesis**:
- **Arnotalky**: This type of parthenogenesis results in the development of unfertilized eggs into males.
- **Thalitoki**: This type results in the development of unfertilized eggs into females.
- **Amphitoky**: This type can produce both males and females from unfertilized eggs.

4. **Analyze the Options**:
- The question asks for the type of parthenogenesis that produces only males. Based on the definitions:
- **Arnotalky** is the type that produces only males.

5. **Conclusion**:
- Therefore, the correct answer to the question is **Arnotalky**, as it is the type of parthenogenesis in which only males are produced.

### Final Answer:
**Arnotalky** is the type of parthenogenesis in which only males are produced.

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