During fertilization, intermixing of chromosome of male and female gametes is called–

Options

A. Syngamy
B. Plasmogamy
C. Karyogamy
D. Amphimixis

Answer

To solve the question regarding the intermixing of chromosomes of male and female gametes during fertilization, we can break it down step by step:

### Step-by-Step Solution:

1. **Understand the Question**: The question asks about the term used to describe the intermixing of chromosomes from male and female gametes during fertilization.

2. **Identify Key Terms**: The key terms in the question are "intermixing of chromosomes," "male gamete," and "female gamete."

3. **Review Possible Answers**:
- **Syngamy**: This term refers to the fusion of male and female gametes, but it does not specifically refer to the intermixing of chromosomes.
- **Plasmogamy**: This term refers to the fusion of the cytoplasm of two gametes, which is not related to chromosome intermixing.
- **Karyogamy**: This term refers to the fusion of the nuclei of the male and female gametes, but again, it does not specifically denote the intermixing of chromosomes.
- **Ampimixis**: This term refers to the process where the chromosomes of the male and female gametes intermingle or mix.

4. **Determine the Correct Answer**: Based on the definitions reviewed, the term that specifically refers to the intermixing of chromosomes from male and female gametes during fertilization is **Ampimixis**.

5. **Conclusion**: Therefore, the correct answer to the question is **Ampimixis**.