Biology
Biology, 06.05.2020 07:37, maribelmartine8919

Suppose Alia recently learned that she inherited a mutant BRCA1 allele from her mother, who had breast cancer. BRCA1 is a tumor suppressor gene that is related to breast cancer. Why would Alia be at higher risk for getting breast cancer at an earlier age than her sister, Francine, who inherited a normal BRCA1 allele from their mother?

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