We all carrying thousands of genetic mistakes accrued over a lifetime
Amber Dance writes: You began when egg and sperm met, and the DNA from your biological parents teamed up. Your first cell began copying its newly melded genome and dividing to build a body. And almost immediately, genetic mistakes started to accrue. “That process of accumulating errors across your genome goes on throughout life,” says Phil H. Jones, a cancer biologist at the Wellcome Sanger Institute in Hinxton, England. Scientists have long known that DNA-copying systems make the occasional blunder…