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Inside every cell are records of compromises as ancient as the nucleotides that encode them; pacts with old enemies that shape us even now.

Up to 8% of human DNA isn’t actually “human”–it comes from viruses that infected our ancestors, some of which caused pandemics. Some of these same genes are now key to our survival, such as those that play a role in pregnancy and early embryonic development. Other genes that remain may be harmful. Ultimately, they help make us what we are. // Statement by the Author

//Camille enjoys learning about all the ways people are human and can be found on Twitter at @SaltiestScience//

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