Macy has BRCA1 breast cancer.Her sister Philene is healthy,but wants to know if she has inherited the BRCA1 mutation that could make her develop cancer.She is a candidate for a

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The best choice for Philene would be a predisposition test. This type of test specifically looks for mutations in genes that increase the risk of developing certain diseases, such as BRCA1 mutations in breast cancer. A carrier screen is used to identify carriers of genetic disorders that can be passed on to children, but it does not necessarily identify an individual's own risk for developing a disease. A genome screen and genome-wide association study are more comprehensive tests that look at an individual's entire genome and are typically used for research purposes rather than clinical decision-making. A newborn screen is performed shortly after birth to identify certain genetic disorders that require early medical intervention.

Macy Has BRCA1 Breast Cancer