Multiple choice

If one starts a polymerase chain reaction with a single copy of a DNA sequence approximately, how many copies will be present after 10 cycles of amplification?

  1. 10

  2. 1000

  3. 10,000

  4. 1,00,000
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

PCR reaction is exponential. After 10 cycles of amplification, one expects approximately 210 copies, or around 1000.

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