Which of the following is NOT considered to be a type of biological evidence?

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Multiple Choice

Which of the following is NOT considered to be a type of biological evidence?

Explanation:
Biological evidence comes from living organisms or their remnants, and it often provides DNA for identification. Saliva, blood, and other body fluids are classic examples because they originate in the body and can contain genetic material that links a person to a scene or object. Gunshot residue, by contrast, is not from a living source. It’s a collection of chemical and metal particles expelled when a firearm is discharged. While it can indicate that a firearm was used or handled, it’s classified as physical or trace evidence rather than biological. So the item that is not considered biological evidence is gunshot residue.

Biological evidence comes from living organisms or their remnants, and it often provides DNA for identification. Saliva, blood, and other body fluids are classic examples because they originate in the body and can contain genetic material that links a person to a scene or object. Gunshot residue, by contrast, is not from a living source. It’s a collection of chemical and metal particles expelled when a firearm is discharged. While it can indicate that a firearm was used or handled, it’s classified as physical or trace evidence rather than biological. So the item that is not considered biological evidence is gunshot residue.

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