BLOOD CARDIOVASCULAR SYSTEM LYMPHOID ORGANS
BLOOD
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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It is quicker and less expensive than DNA profiling
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It identifies the presence or absence of particular proteins embedded in the cell
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It can provide class evidence to a forensic investigator
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It can help determine the manner in which a victim died
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Detailed explanation-1: -Since several people can have the same type of blood, blood typing gives only class evidence. In this case, it is used more in terms of excluding a suspect than identifying a suspect.
Detailed explanation-2: -Blood typing is class evidence because many people share the same blood type and this evidence is used to exclude a person as a suspect.
Detailed explanation-3: -Blood from crime scenes can be analyzed to determine their blood type. If the blood type does not match that of a suspect, the suspect can be ruled out because they could not have left blood at the crime scene.
Detailed explanation-4: -Phenolphthalein Test. Also known as the Kastle Meyer Test. Luminol Test. How it works: A chemical compound, known as Luminol, is used in solution or sprayed onto suspected surfaces. Alternative Light Sources.