DNA methylation in biology - meaning, definition and examples

Ginzo on Instagram: "1. Dr. Helen Rydell, a molecular geneticist at Oxford, studied over 2,000 DNA samples from families with multigenerational anxiety. Her discovery was unsettling: chronic stress doesn’t just influence genes — it locks itself into the body’s on/off switches, through a mechanism called methylation. That means your fear of failure, irritability, or constant alertness might not even be yours — it could be your grandmother’s stress, written chemically into your genome. 2. The brea