Do you know that identical twins, look alike, but two twins never have the same fingerprints.?

 Do you know that identical twins, look alike, but two twins never have the same fingerprints.?

There is a simple reason for that - when a child is in a mother's womb, the small fetus first develops the outside layer of its skin, which is very smooth.

But around 10 weeks later, a deeper layer under the skin, BASAL LAYER starts to grow rapidly while the outer layer grows slowly. so the layer beneath starts developing folds.

these folds are completely random depending on how fast both the layers are growing, the shape and size of blood vessels, it depends on all the these.

by 17 weeks, the upper layers of the skin starts to fold as well. the fingerprints of the fetus are set for the life.

Even though it might seem that your fingerprints are on the outside layer even if you get a scar on your finger, your fingerprints will not be damaged.

The new skin that grows will follow the same set pattern/folds.

For this reason, every person in the world has unique fingerprints.

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