Mutation in which of the following genes involved in DNA repair is linked to breast and ovarian cancers?

A. BRCA-1/BRCA-2
B. Hereditary nonpolyposis colon carcinoma (HNPCC)
C. ATM
D. p53
E. Rb


Ans: A. BRCA-1/BRCA-2

Biology & Microbiology

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In subarctic saltmarshes, scientists have found that the addition of calcium has no effect on productivity, but additional iron does increase productivity. In this example, iron

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