A forensic scientist obtains a carpet sample from a crime scene that contains a very small amount of DNA. The scientist needs to determine rapidly if the DNA belongs to a dangerous animal believed to be responsible for a death. Only the presence of one specific gene will tell her if it is the particular animal. Which of the following techniques would help her accomplish this task? A.
gene cloning
B.
PCR
C.
RLFPs
D.
Southern blotting
E.
genome mapping