How small genes trigger biosafety

How small genes trigger biosafety "tornadoes"

A butterfly in the tropical rainforest of the Amazon River basin in South America, occasionally flapping its wings, can cause a tornado in Texas two weeks later, which is known as the "Butterfly Effect". And seemingly insignificant small things such as a hair, a piece of skin tissue, a small insect, or a seed can also trigger the "butterfly effect" and trigger a biosafety "tornado"...