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Given below are two statements: One is labeled Assertion(A) and the other is labeled Reason(R).
Assertion (A) : A disarmed retrovirus is used to deliver genes into animal cells.
Reason (R) : A disarmed retrovirus is no longer pathogenic to the host cell, but it is capable of delivering foreign DNA into the host cell.
In light of the above statements, choose the correct answer from the options given below.

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Both (A) and (R) are true and the (R) is the correct explanation of the (A).

Both (A) and(R) are true, but (R) is not the correct explanation of the (A).

(A) is true, but (R) is false.

Both (A) and (R) are false.

answer is C.

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Detailed Solution

Retroviruses cause tumors in animal cells. A foreign DNA can be introduced into an animal cell using disarmed retroviruses. Disarmed retrovirus is capable of introducing genes into host cells but cannot cause tumors.

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