A Paleontologist Has Recovered a Bit of Tissue from the 400-Year-Old

A paleontologist has recovered a bit of tissue from the 400-year-old preserved skin of an extinct dodo (a bird) . The researcher would like to compare a specific region of the DNA from the sample with DNA from living birds. Which of the following would be most useful for increasing the amount of dodo DNA available for testing?

A) RFLP analysis
B) polymerase chain reaction (PCR)
C) electroporation
D) gel electrophoresis
E) Southern blotting

Correct Answer:

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