and he or she might even undergo heart attack or stroke—all because of a single nucleotide mutation (Figure 1). SNPs are important as markers, or signposts, for scientists to use when they look ...

Each time you level up, you'll gain one mutation point. When you have at least four ... a mutation that you already have.

But in about 5% to 10% of cases, the cause is hereditary. This means that the cancer is due to a gene change, called a “mutation,” that’s passed down from a parent. Researchers have ...