Polygenic traits are traits determined by the combined effect of more than one pair of genes. Human stature is an example of this trait. The size of all body parts from head to foot combined determines height. The size of each individual body part are determined by numerous genes.
Although you don't necessarily have to major in interior design, a bachelor's degree or higher in the discipline provides the best foundation for a career, according to the Foundation for Interior Design Education and Research.
Design allows the creative genius in you freedom to play and be. Interior design is a profession with a vast array of advancement. You may begin as a junior designer, assistant or specifier and soon become a senior designer, project manager, or partner in a firm. Where ever your mind can go, so too can you move! It is my belief that with the ever growing economy interior design and a need for it grows.