This is a strange question. A plant is made out of cells containing DNA, an animal is made out of cells containing a different DNA. Polystyrene isn't made out o

This is a strange question. A plant is made out of cells containing DNA, an animal is made out of cells containing a different DNA. Polystyrene isn't made out of cells so it does not contain any DNA. So basically of all cells found it was 50% soy, 50% chicken.