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Repeated cycles of PCR can amplify a segment about:
AA billion times
BA hundred times
CA dozen times
DA single time
Answer & Solution
Correct answer: A. A billion times
1. Every cycle roughly doubles the copies present.
2. Doubling repeated many times grows very fast.
3. The segment ends up amplified about a billion times.
_Source: NCERT Class 12 Biology, Ch 9 'Biotechnology : Principles and Processes'_
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