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Acquired Characteristics

Definition

Individual characteristics that develop after manufacture through use, wear, damage, or corrosion. A new shoe has only class characteristics; a worn shoe accumulates acquired marks that may make it unique.

Related terms

Class Characteristics
Features deliberately or systematically imparted to a group of items by design or manufacture, such as the calibre of a bullet, the...
Comparison Microscopy
A technique in which known and questioned samples are viewed simultaneously through split or adjacent fields in a single instrument. Used in...
Elimination Sample
A known reference sample collected from someone who had legitimate access to a scene or item, used to separate their class and...
Individual Characteristics
Surface features on a fired bullet or cartridge case that arise from random or unique events (tool wear, corrosion, service damage) and...
Source Attribution
The inferential step of linking a trace to its donor. Serology identifies blood as human and potentially as a specific genetic type;...

Explained in

  • Class versus Individual CharacteristicsIndividual characteristics that develop after manufacture through use, wear, damage, or corrosion. A new shoe has only class characteristics; a worn shoe accum...

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