Question

which statement is true about brca1 and brca2 genes? these genes were discovered in 1953. cancerous tumors often form on these genes. people can be tested for mutations on these genes. mutations of these genes lead to diabetes.

Explanation:

• BRCA1 and BRCA2 genes are associated with cancer risk. People can undergo genetic testing to check for mutations in these genes.
• BRCA1 was discovered in 1990 and BRCA2 in 1994, not 1953.
• Cancerous tumors do not form on genes. Genes can have mutations that increase cancer risk.
• Mutations in BRCA1 and BRCA2 genes are linked to an increased risk of breast, ovarian, and other cancers, not diabetes.

Answer:

People can be tested for mutations on these genes.