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nirvana33 [79]
3 years ago
10

During the investigation of a murder case, the police found a few bloodstains on the body of the victim, a few bloodstains on th

e wall nearby, and a few hair follicles by the victim. How could this evidence be used to identify the murderer?
Biology
2 answers:
Effectus [21]3 years ago
8 0
They could possibly use the hair,and get the name of the victim. Then they could search for any possible suspects in the family,or friends.
Sergio039 [100]3 years ago
6 0

Answer:

This evidence can be used to identify the murderer by the technique known as DNA fingerprinting.

Explanation:

DNA fingerprinting is a molecular technique by which the individual's can be identified on the basis unique sequences by the DNA sample. The bloodstain, hairs and semen can be used as a sample for the DNA fingerprinting.

The bloodstains on the wall and hair follicles are used as a sample for the extraction of unique sequence of DNA. Variable number of tandem repeats (VNTRs) are unique DNA sequences present in the organism. Then, the blood stains fingerprinting is matched with the suspect. If DNA fingerprinting is matched, the individual is identified as murderer.

Thus, DNA fingerprinting is used to identify the murderer.

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