Interviewee: Mary-Claire King. Mary-Claire King, geneticist and gene-mapper. (DNAi Location: Genome >Tour > Genome spots > Breast cancer (BRCA1) > Testing for breast cancer)

Well at present with BRCA1 and BRCA2, where we stand is that it's possible to identify for some women in families with very large numbers of breast and ovarian cancers, whether they are at risk or not. That is to say, that if a woman has a conventional sort of mutation in one of these genes, it can be found. And the great majority of, of such mutations are found by commercial testing.

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