Completar frases Reading comprehensionVersión en línea Filling the blank spaces por sonia cruz 1 diagnostic ancestry distinct conditions mutations assign cell mixed ethnicity identify The ability to identify founder mutations has profound implications for the practice of medicine . Knowledge of such mutations can , for instance , help physicians identify patients who should be tested for certain diseases . Currently physicians may rely on testing individual ? s ethnicity to assign some diseases risks and perform further tests . For example , most sickle disease occurs in those of African . But as the world ? s peoples become more genetically , it will become increasingly difficult to an ancestral geographic origin or specific to any person . With ethnic background disappearing as a clue , physicians will therefore rely on testing individuals ? DNA more as they try to disease risks or the cause of patients ? symptoms . And finding founder now , while human populations remain genetically , will help identify the specific genes responsible for numerous .