(genetics) a segment of DNA that is involved in producing a polypeptide chain; it can include regions preceding and following the coding DNA as well as introns between the exons; it is considered a unit of heredity; "genes were formerly called factors"
concerned with systematic structure in a particular field of study
affecting or involved in structure or construction; "the structural details of a house such as beams and joists and rafters; not ornamental elements"; "structural damage"
relating to or having or characterized by structure; "structural engineer"; "structural errors"; "structural simplicity"
relating to or caused by structure, especially political or economic structure; "structural unemployment in a technological society"