Part of one's inheritance can refer to the genetic material passed down from one's parents, which is represented by the crossword solutions GENES (5 letters), GENE (4 letters), and TRAIT (5 letters). Genes are the basic unit of heredity, and they are made up of DNA. Genes are responsible for determining a person's traits, such as eye color, hair color, and other physical characteristics. Traits are the physical and behavioral characteristics that are inherited from one's parents.