Definition: Nonhereditary, also known as "non-replicative," refers to a property of an entity that is not inherited from its parent. In other words, it cannot be passed down through generations and remains unique to each individual or entity within the same species. Nonheredity can be observed in many biological processes, including genetic inheritance, where traits are passed down from parents to offspring, and in some forms of cancer, where the mutation or change in a gene is not passed on to future