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.
Associate's Degree in Residential Planning. When searching for a residential planning program, students might consider interior design programs that have an option of focusing on residential planning. The associate's program introduces the student to textiles, color, and space usage planning along with the tools such as CAD programs.