BotanyNEET 2025Processes: cloning, PCR, bioreactors

Biotechnology: Principles and Processes

Polymerase chain reaction (PCR) amplifies DNA following the equation:

A. $N^{2}$
B. $2^{n}$ ✓
C. $2 n + 1$
D. $2 N^{2}$

Solution

Each PCR cycle doubles the target, so after $n$ cycles there are $2^{n}$ copies — about a billion after 30 cycles.

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