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The oncogenes act __________________

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in Cell Biology by (121k points)
The oncogenes act __________________

(a) dominantly

(b) recessively

(c) occasionally

(d) frequently

I had been asked this question in an interview.

This is a very interesting question from Cancer in division Cancer of Cell Biology

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The correct option is (a) dominantly

Easy explanation: The oncogenes act dominantly, that is, the presence of a single copy of an oncogene can lead the cell to develop an altered phenotype that might be present. Regardless of whether there is a normal copy of the gene present on homologous chromosome, the oncogenes can express themselves.

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