Forensic scientists use DNA fingerprinting for a finding similarities between individuals. b identifying a person based on his or her unique genetic code. c tracing patterns of genetic defects present in criminals. d determining if genetic engineering has occurred on a product.

Answer 1

Forensic scientists use DNA fingerprinting primarily for b) identifying a person based on his or her unique genetic code. This technique allows them to match biological samples (like blood, hair, or saliva) to an individual, making it a crucial tool in criminal investigations and paternity testing.