Human Health and Diseases Question 113

113. Retroviruses are implicated as a cause for cancer in humans because they

(a) carry gene for reverse transcriptase

(b) may carry cellular proto-oncogenes in their genome

(c) may carry v-oncogenes in their genome

(d) carry single stranded RNA as their genetic material

Show Answer

Answer : b

Hints & Solutions

(b) Cancer is initiated when the inactive protooncogenes are activated to cellular oncogenes which trigger uncontrolled cell multiplication.



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