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.
Student Membership Qualifications. Membership is available to students currently enrolled in an interior design program with at least 40 credit hours or 60 quarter credit hours of interior design coursework to graduate.embership is available to students currently enrolled in an interior design program with at least 40 credit hours or 60 quarter credit hours of interior design coursework to graduate.