The Mutant BRCA1 Gene Imparts a Dominantly Inherited Predisposition to Breast

Question

The mutant BRCA1 gene imparts a dominantly inherited predisposition to breast cancer.

Accepted Answer

The mutant BRCA1 gene is known to cause a dominantly inherited predisposition to breast and ovarian cancers. This means that individuals who inherit a single copy of the mutated gene from a parent have a significantly higher risk of developing breast and/or ovarian cancer compared to individuals without the mutation.