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Question

Viral genomes also contain some cancer causing genes. What are these genes called?

A
Protooncogenes
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B
Oncogenes
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C
Cancer
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D
Both A and B
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Solution

The correct option is B Oncogenes
Cancer causing viruses like the HPV have genes called the viral oncogenes. Normal cells have certain genes called protooncogenes which when activated can lead to transformation of normal cells into cancerous type. The viral oncogenes get inserted into the host genome near protooncogenes and leads to their oncogenic transformation.

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