Question

PCR amplification can be used for which type of samples?

(a) Old samples only

(b) Recent samples only

(c) Equally to both recent and old samples

(d) Recent samples are preferred but can be applied to old samples also

The question was posed to me in an internship interview.

Origin of the question is Applications in chapter Polymerase Chain Reaction of Genetic Engineering

Answer 1

Correct choice is (c) Equally to both recent and old samples

Explanation: PCR amplification can be used equally to both recent and old samples. DNA from museum samples and archaeological sites is also used for amplification.