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Name the most common color test for blood and briefly describe how it identifies bloodstains.

User MattK
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Final answer:

The most common color test for blood is the Wright-Giemsa stain. This stain is used to identify bloodstains by staining red blood cells a pinkish-red color, and staining the nucleus and cytoplasm of white blood cells various shades of purple.

Step-by-step explanation:

The most common color test for blood is the Wright-Giemsa stain. This stain is used to identify bloodstains by staining red blood cells a pinkish-red color, and staining the nucleus and cytoplasm of white blood cells various shades of purple. Stained blood smears are then examined under a microscope to evaluate the appearance of the blood cells and to count the number of different types of white blood cells present.

User Onassis
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