Skip to main content
An official website of the United States government
Español
Government Funding Lapse
Because of a lapse in government funding, the information on this website may not be up to date, transactions submitted via the website may not be processed, and the agency may not be able to respond to inquiries until appropriations are enacted.

The NIH Clinical Center (the research hospital of NIH) is open. For more details about its operating status, please visit cc.nih.gov.

Updates regarding government operating status and resumption of normal operations can be found at opm.gov.

phenotype

(FEE-noh-tipe)
The physical, biochemical, and behavioral traits that can be observed in a person. Some examples of a person’s phenotype are height, eye color, hair color, blood type, behavior, and the presence of certain diseases. A phenotype is based on a person’s genes and some environmental factors, such as diet, exercise, and smoking.
More Information
Search NCI's Dictionary of Cancer Terms