What is the total number of polar bodies formed during oogenesis in the ovary?

Options

A. 4
B. 3
C. 1
D. 2

Answer

To solve the question regarding the total number of polar bodies formed during oogenesis in the ovary, we can follow these steps:

### Step-by-Step Solution:

1. **Understand Oogenesis**: Oogenesis is the process of egg (ovum) formation in females. It occurs in the ovaries and involves several stages of cell division.

2. **Meiosis in Oogenesis**: Oogenesis begins with a primary oocyte, which undergoes meiosis. Meiosis consists of two divisions: meiosis I and meiosis II.

3. **Meiosis I**:
- The primary oocyte undergoes meiosis I, resulting in two cells: one secondary oocyte and one polar body.
- The polar body is a smaller cell that typically does not develop further and is considered non-functional.

4. **Meiosis II**:
- The secondary oocyte then undergoes meiosis II, which results in one mature ovum and another polar body.
- This division also produces a second polar body.

5. **Counting Polar Bodies**:
- From meiosis I, we get one polar body.
- From meiosis II, we get another polar body.
- Additionally, the secondary oocyte can also produce a third polar body if it undergoes a second meiotic division.

6. **Total Polar Bodies**: Therefore, the total number of polar bodies formed during oogenesis is three (1 from meiosis I and 2 from meiosis II).

7. **Final Answer**: The total number of polar bodies formed during oogenesis in the ovary is **3**.