試題詳解

27. Polymerase chain reaction (PCR) is a well-known technique to amplify DNA fragments conveniently. Please estimate the theoretical numbers of DNA fragments when 22 cycles was carried out in a PCR reaction to amplify a DNA fragment with a pair of primers:
(A)~500,000
(B)~1,000,000
(C)~2,000,000
(D) ~4,000,000