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Question
After 4 PCR cycles how many DNA molecules are formed from one DNA template molecule?
After 4 PCR cycles how many DNA molecules are formed from one DNA template molecule?
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Solution
The correct option is C 16
The number of double stranded DNA pieces is doubled in each cycle, so that after n cycles you have 2^n (2 to the n:th power) copies of DNA. For example, after 4 cycles you have 16 copies, after 20 cycles you have about one million copies, etc.
The number of double stranded DNA pieces is doubled in each cycle, so that after n cycles you have 2^n (2 to the n:th power) copies of DNA. For example, after 4 cycles you have 16 copies, after 20 cycles you have about one million copies, etc.
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