What to read this week: Beyond Inheritance by Roxanne Khamsi
Trillions of mutations in our cells may transform each of us every day Peter Aprahamian/Getty Images Beyond InheritanceRoxanne Khamsi, Riverhead Books (21 April) There are around 30 trillion cells in your body and about 1 per cent of them get replaced every day. But this process is far from perfect. The DNA in new cells contains many mistakes, or mutations: there may be trillions of new mutations in your body every day. “You are a slightly different genetic version of yourself today from yesterday, and will be different yet again tomorrow,” writes Roxanne Khamsi in her book, Beyond Inheritance: Our ever-mutating cells and a new understanding of health. These mutations range from a change in a single DNA letter to the loss of an entire chromosome, such as the X or Y. A lot of mutations are lost when cells die, but many are passed on, building up over time. By the end of your life, each one of your cells may well have accumulated thousands of mutations. Many people probably know that such mutations …









