Which of the following chromosomal and/or genetic abnormalities is/are associated with the development of breast cancer?
A. Mutations in the p53 tumor suppressor gene
B. A mutation in the short arm of chromosome 2
C. The presence of a BRCA 1 gene on chromosome 17
D. The presence of the BRCA 2 gene on chromosome 13
Answer:A
Which of the following chromosomal and/or genetic abnormalities is/are associated with the development of breast cancer?
A. Mutations in the p53 tumor suppressor gene B. A mutation in the short arm of chromosome 2 C. The presence of a BRCA 1 gene on chromosome 17 D. The presence of the BRCA 2 gene on chromosome 13