What is the ABO blood group system?
Forensic Blood Stain Patterns Analysis

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Science
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9th - 12th Grade
•
Hard
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1.
FLASHCARD QUESTION
Front
Back
The ABO blood group system classifies human blood into four main types: A, B, AB, and O, based on the presence or absence of antigens on the surface of red blood cells.
2.
FLASHCARD QUESTION
Front
What happens if a person with AB blood receives type A blood?
Back
Nothing, they can accept A blood because AB blood type has both A and B antigens.
3.
FLASHCARD QUESTION
Front
What is a blood spatter pattern?
Back
A blood spatter pattern is the distribution of bloodstains resulting from a blood source, which can provide information about the events that caused the bloodshed.
4.
FLASHCARD QUESTION
Front
What is a 'void' blood spatter pattern?
Back
A void pattern occurs when an object blocks the path of blood, leaving an area without blood spatter, indicating the position of the object.
5.
FLASHCARD QUESTION
Front
What is 'cast-off' blood spatter?
Back
Cast-off spatter is created when blood is flung from a blood-bearing object, often seen in cases of blunt force trauma.
6.
FLASHCARD QUESTION
Front
What is the difference between 'medium velocity' and 'high velocity' blood spatter?
Back
Medium velocity spatter is typically produced by blunt force impacts, while high velocity spatter is produced by gunshots or explosions, resulting in smaller droplets.
7.
FLASHCARD QUESTION
Front
What is a 'walking drip' bloodstain pattern?
Back
A walking drip pattern is created when blood drips from a person or object that is moving, leaving a trail of blood droplets.
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