One meiosis produces how many male gametes ?

Options

A. 4
B. 1
C. 2
D. 8

Explanation

To solve the question of how many male gametes are produced from one meiosis, we can break down the process step by step:

### Step-by-Step Solution:

1. **Understanding Microsporogenesis**:
- Meiosis occurs in the microsporangia, specifically in microspore mother cells (also known as pollen mother cells or PMC).
- These cells are diploid (2n) and undergo meiosis to produce haploid microspores.

2. **Meiosis Process**:
- During meiosis, one microspore mother cell undergoes two rounds of division (meiosis I and meiosis II).
- This results in the formation of four haploid microspores (pollen grains) from one diploid microspore mother cell.

3. **Formation of Male Gametes**:
- Each of the four pollen grains produced from meiosis will undergo mitosis.
- The first mitotic division of each pollen grain results in a vegetative cell and a generative cell, leading to a two-cell stage.

4. **Second Mitosis**:
- The generative cell then undergoes a second mitotic division, resulting in the formation of two male gametes from each generative cell.

5. **Total Male Gametes**:
- Since one microspore mother cell produces four pollen grains, and each pollen grain produces two male gametes, we calculate the total number of male gametes as follows:
- 4 pollen grains × 2 male gametes per pollen grain = 8 male gametes.

### Conclusion:
Thus, one meiosis produces a total of **8 male gametes**.

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