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Dictionary of Cancer Terms

View in Spanish: Marcador genético de sensibilidad

Genetic marker of susceptibility (jeh-NEH-tik MAR-ker … suh-SEP-tih-BIH-lih-tee)
A specific change in a person’s DNA that makes the person more likely to develop certain diseases such as cancer.

Source: National Cancer Institute Dictionary of Cancer Terms, available at www.cancer.gov/dictionary.