Genetic markers show the presence of a predisposition to a disease or condition by
A genetic predisposition (sometimes also called genetic susceptibility) is an increased likelihood of developing a particular disease based on a personâs genetic makeup. A genetic predisposition results from specific genetic variations that are often inherited from a parent.he World Health Organization offers information about genetic predisposition to several common diseases, including cancer, diabetes, cardiovascular disease, and asthma. Genetic Alliance UK offers a fact sheet on genetic predisposition to common genetic diseases.