We are all unique, but some of us are even more so, in their own unique way. "Blame" for this is genetics! Some people have unique physical characteristics that are rare. What are we talking about and are you one of these people?
1. The arch of the forehead is normal, but not the parting as in the picture on the right

2. "X" formed by the lines of the palm

3. Unequal size of pupils

In medical terms this difference is known as Anisocoria. The pupil of the eye changes so that the right amount of light can enter the eye. When it's dark, one of them gets bigger, and when there's a lot of light, it gets smaller.
4. Fingerprints

Some people are like that, while others...
5. Coloboma of the iris of the eye

This is the name of that mark of the iris of the eye that is there without any reason. It is part of the retina since human birth. It can affect one or both eyes.
6. The shape (so discussed) of the navel

7. Chin dimple

Source: Bright Side