THE MOLECULAR BASIS OF INHERITANCE
DNA REPLICATION
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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How many DNA are there if two DNA is replicated four times?
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16
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30
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32
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8
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Explanation:
Detailed explanation-1: -So, the correct answer is ‘64’.
Detailed explanation-2: -So, that means after the second cycle, it will produce 4 copies of DNA sample, then after the third cycle, 8 copies are produced, after the fourth cycle, 16 copies are produced, after the fifth cycle, 32 copies are produced, and lastly, after the sixth cycle, 64 copies of DNA samples are produced.
Detailed explanation-3: -The PCR process can amplify a single DNA to 2n times, where n is the number of cycles. Thus for 4 cycles of PCR, a given DNA template can be amplified to 16 duplicate strands.
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