...Incredibly, in the world of evolutionary biology, all it took was one tiny tweak, one gene, and complex life as we know it was born.

“It was a shock,” co-author Ken Prehoda, a biochemist at the University of Oregon, told The Washington Post. “If you asked anyone on our team if they thought one mutation was going to be responsible for this, they would have said it doesn’t seem possible.”

(the washington post)