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.
You must accrue at least seven years of acceptable education and experience credits, including the following: 1  At least two but no more than five years of postsecondary education in an approved program of interior design, including an associate degree or its equivalent; and. At least two years of interior design work experience satisfactory to the State Board for Interior Design.