Okay, here’s a simple text-based infographic of the Emory 2014 study: Dad Mouse 🐭 (sniffs acetophenone + S-adenosylmethionine) ↓ methylation mark added to DNA Son Mouse 🐭 (same smell sensitivity, even though never exposed) ↓ methylation mark passed on Grandson Mouse 🐭 (same smell sensitivity — two generations later) The methylation mark on the DNA strand is what gets inherited. Mehr sehen