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

anonymous · Answer

@distiny19999 I have an issue with this question. One of the methods listed is used in the others.

mazmaz · Answer

Yeah it comfused me too

zay3867 · Answer

its mtDNA

anonymous · Answer

@zay3867 No, it is not. Mitochondria come only from our mothers and so it will be virtually the same between siblings and the mother.