Q. Polymerase chain reaction (PCR) amplifies DNA following the equation.
A) $N^2$
B) $2^n$
C) $2n+1$
D) $2N^2$
Explanation
[Solution by Claude - not from source] Each cycle doubles the DNA, so after $n$ cycles the number of copies is $2^n$. Answer (2).
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.