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

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

djedwin · Answer

Is not STRs (short tandem repeats)

djedwin · Answer

B. PCR (polymerase chain reaction) analysis

mazmaz · Answer

Yeah its PCR it icreases the ammount of DNA