The Image Shown Is a Gel from a Multiplex Polymerase

question 21

Multiple Choice

The image shown is a gel from a multiplex polymerase chain reaction (PCR) used to identify toxin genes in Clostridium botulinum.Which of the following statements most accurately describes how this image was formed?

• A) An amplified sample of DNA was combined with four sets of PCR primers.
• B) Four patient samples were combined with one set of PCR primers.
• C) A thermocycler was used to run four separate PCR amplification cycles.
• D) A patient sample was combined with four sets of PCR primers.