Name the organelle contained in the neck of the mammalian sperm

Explanation

**Step-by-Step Solution:**

1. **Understanding the Structure of Sperm**: The sperm cell has several parts, including the head, neck, middle piece, and tail. Each part has specific functions and structures.

2. **Identifying the Neck of the Sperm**: The neck of the sperm is a small section that connects the head to the middle piece.

3. **Recognizing the Organelles in the Neck**: The neck of the mammalian sperm contains centrioles. These are cylindrical structures that play a crucial role in cell division and maintaining the structure of the sperm.

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