There are other ways of telling people apart besides fingerprints. Did you know that each of us is made up of millions of cells and inside those cells are particles called DNA? It is everywhere in our bodies, including in our hair, blood, saliva, skin, and bones. These particles make up a code that is used to tell people apart. Identical twins share DNA coding, but they are the only people who do. This makes DNA an excellent way of telling people apart. It has become a very important tool in solving crimes when no fingerprints can be found.

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