Pathology B6. Following is not true about the gene mutations leading to breast carcinoma A Most common mutation in inherited breast carcinoma is BRCA1 B BRCA 1 mutation is present in most of the cases of breast carcinoma C Inherited breast carcinomas make about 3 % of the total cases D p53 mutation also increases chances of colon and brain cancer 💡 Explanation B6. Following is not true about the gene mutations leading to breast carcinoma ✓ Correct Answer: B. BRCA 1 mutation is present in most of the cases of breast carcinoma