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Question

Which disease is caused by activation of oncogenes?

A
Cholera
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B
Cancer
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C
T.B.
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D
Viral flu
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Solution

The correct option is D Cancer
Cancer cells rapidly undergo mitosis. It usually spreads through the blood or the lymph system. It is mainly caused due to the mutagens which cause a sudden heritable change in the DNA content which leads to fatal abnormalities. It can be easily damaged by the radiation. An oncogene is a gene that has the potential to cause cancer. In tumour cells, they are often mutated or expressed at high levels.
So, the correct answer is option B.

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