Why there are no identical fingerprints and how they differ

(ORDO NEWS) — Each person has a different fingerprint, and even twins have different fingerprints. But why?

It is known that each person has a unique fingerprint. But did you know that there are rare types of patterns that are found in only 5% of people?

To understand why fingerprints are different for everyone, it’s worth first discussing how they are formed. It all starts during the development of the embryo in the womb around the 10th week of pregnancy.

According to one theory, the middle layer of the skin begins to grow faster than the inner and outer layers, which causes tension.

Due to this pressure, the skin changes its shape and folds. As a result, complex patterns appear on our fingers, palms, toes and soles.

Since this pattern is enclosed between 2 layers of skin, it becomes almost permanent and cannot be altered or destroyed by skin lesions.

Fingerprints are fully formed and fixed 3 months before the birth of the child. Even if you accidentally scar them, cut them, or affect them in any way afterward, the pattern will eventually recover once the skin heals.

Even though we age and our skin becomes more elastic, this does not affect our prints. However, it can become more difficult to scan them with a scanner as you age.

Types of fingerprints

Even though we all have different fingerprints, they can have similar patterns. If you apply ink with your finger and press it against the paper, you can tell which species yours is.

Loops – lines are divided into radial shapes that form loops. They can point up or down. About 60% of people have this type of fingerprint.

Curls – lines form circular or spiral patterns, similar to tiny whirlpools. They may look like concentric circles, loops with swirls at the ends, 2 loops creating an S-pattern, or irregularly shaped. About 35% of people have this type of fingerprint.

Arches – the lines form a wave-like pattern, also reminiscent of arches standing on top of each other. About 5% of people have this type of fingerprint.


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