Mitosis is a process used for normal growth and development. Explain how and why a mutation in a BRCA gene may affect the cell cycle and the rate of mitosis and result in tumors. Two or more sentences please.

Somatic mutations in the Breast Cancer genes BRCA1 and BRCA2 are associated with an increased risk to suffer breast cancer. BRCA1 and BRCA2 are tumor suppressor genes that encode DNA repair proteins.

Explanation:

Mutations in these genes (BRCA1 and BRCA2) are associated with carcinogenesis since the cells loss their ability to repair mutations, which may lead to the uncontrolled growth characteristic of cancer cells.