Readers of detective fiction knows one thing fingerprints are good for, their unique patterns. Why have we evolved such convoluted fingertips and why so useful?
They say that no two fingerprints are alike, but your relatives’ fingerprints might look similar to your own. While the intricate details of an individual fingerprint are unique, pattern types and the overall size, shape, and spacing of the ridges in a pattern are all inherited traits. Learn more on this Moment of Science.
Though it’s true that identical twins have the same DNA, that doesn’t mean that there’s no way to tell them apart. Learn more on this Moment of Science.