THE MOLECULAR BASIS OF INHERITANCE
GENE MUTATION
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Which of these do not contribute to the development of cancer?
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Constitutive genes
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proto-oncogenes
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pyrimidine dimers
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carcinogens
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Explanation:
Detailed explanation-1: -The genes ATM, PALB2, and CHEK2 may increase the risk for several types of cancer, including breast, ovarian, colon, prostate, and pancreatic.
Detailed explanation-2: -There exist 2 classes of such cancer genes: the oncogenes, which function as positive growth regulators, and the tumor suppressor genes, which function as negative growth regulators.
Detailed explanation-3: -Oncogenes promote the growth of cancer cells. Explanation: Oncogenes are genes that can induce cancer in normal cells by changing its genetic composition.
Detailed explanation-4: -So, the correct answer is ‘V. Zoster’.
There is 1 question to complete.