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The test, BRACAnalysis, assesses a woman’s susceptibility to develop breast or ovarian cancer based on detection of mutations in the BRCA1 and BRCA2 genes. The test is done on a blood sample, overnighted to Myriad’s certified laboratory. The two genes are separated from the rest of the DNA and are scanned for abnormalities. The MegaBACE 1000 DNA Analysis System used in the test is a high-throughput, fluorescence-based DNA system utilizing capillary electrophoresis with up to 96 capillaries operating in parallel. The system performs sample injection, gel matrix replacement, DNA separation, detection and data analysis, offering unparalleled fl exibility. Towards prediction and prevention according to the American Cancer Society, in the USA the average
woman has an approximate 10% risk of developing breast cancer
over a 70-year life span. However, in women with an abnormal
BRCA1 or BRCA2 gene the risk of developing breast cancer by the
age of 70 is up to 85%. |

