EVERY HUMAN BEING HAVE A UNIQE FINGERPRINT, WHY???

Fingerprint

as we know that every person on this world have its own different fingerprints which doesn't match with others.some people think that this are the part of DNA but not actually.so the question is "how this fingerprints are different and how has it produced?".Fingerprint are found when the child is in mother's womb. Fingerprints are made while the foeticide is still in the womb. As its finger press up against the mother's uterus and tiny indentations are formed on it skin.