Explain why do only male gametes have a tail?

Explanation

### Step-by-Step Solution:

1. **Definition of Gametes**: Gametes are reproductive cells that are involved in sexual reproduction. In humans, there are two types of gametes: male gametes (sperms) and female gametes (eggs or ova).

2. **Structure of Male Gametes**: Male gametes, or sperms, are designed for mobility. They have a unique structure that includes a tail (flagellum) which is essential for their movement.

3. **Function of the Tail**: The tail of the sperm allows it to swim through the female reproductive tract. This movement is crucial because fertilization in humans occurs internally, meaning the sperm must reach the egg within the female body.

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