Differentiable between spermatogenesis and oogenesis.

Explanation

### Step-by-Step Solution:

1. **Definition**:
- **Spermatogenesis**: This is the process of formation of male gametes (sperm) in the male reproductive system.
- **Oogenesis**: This is the process of formation of female gametes (ova or eggs) in the female reproductive system.

2. **Location**:
- **Spermatogenesis**: Occurs in the male testes, which are the reproductive organs responsible for producing sperm.
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