Alana Saarinen has three biological parents
United Kingdom: A girl called Alana Saarinen is found to have DNA from three people.
She is one of a few people in the world with this unique feature.
Mitochondria is often called as the manufacturing plant of cells belonging to living beings.
They are the bits that create the energy needed by our cells to work, and keep the body functioning properly.
But they also contain a little bit of DNA.
Alana Saarinen is one of the only 30 to 50 people in the world who has some mitochondria, and ther...