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.
The interior designerâs job is to offer a variety of styles and direct the client toward the right design choice while allowing the client to feel in charge. For example, you may work as an interior designer for years and never design a house that suits your personal tastes.