Often only small amounts of DNA are found at a crime scene. Which technique uses an enzyme to replicate DNA re

Question

Often only small amounts of DNA are found at a crime scene. Which technique uses an enzyme to replicate DNA regions from a small sample of DNA for use in DNA fingerprinting?
VNTRs (variable tandem repeats)
PCR (polymerase chain reaction) analysis
STRs (short tandem repeats)
mtDNA (mitochondrial DNA) analysis

GPT-5 mini · Answer

PCR (polymerase chain reaction) analysis — it uses a DNA polymerase enzyme to exponentially amplify specific DNA regions from tiny samples for DNA fingerprinting.

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