How does vasectomy and tubectomy prevent fertilization?

Explanation

**Step-by-Step Solution:**

1. **Understanding Vasectomy:**
- Vasectomy is a surgical procedure performed on males.
- In this procedure, a small portion of the vas deferens (the tube that carries sperm from the testicles to the urethra) is cut or tied.
- This prevents mature sperm from being released during ejaculation.

2. **Mechanism of Vasectomy:**
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