Scientists can take a closer look at the sequence of your letters to tell you many interesting things. Shutterstock.

Decoding Your Genetics

When looking closer at these letters and their order, scientists can decode your genetic code. Every individual has a different order. What scientists can also do is compare the order of the letters in one DNA to someone else’s. 

Even people who are part of the same family will have different letter sequences. It might seem simple, but it couldn’t be further from that. When letters are moved around, the gene meaning is altered, which changes the protein that is being made. 

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