题目
题目
单项选择题

What is the main function of the BRCA1 and BRCA2 genes? 

选项
A.a) to increase immune cell activity
B.b) to repair damaged DNA and prevent mutations
C.c) to speed up cell division
D.d) to make estrogen receptors on breast cells
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标准答案
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思路分析
Question: What is the main function of the BRCA1 and BRCA2 genes? Option a) "to increase immune cell activity" — This statement does not describe the known primary role of BRCA1/BRCA2. While immune function can influence cancer surveillance, BRCA1/BRCA2 are not primarily responsible for boosting immune cell activity. Option......Login to view full explanation

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