Blood Type identifies the presence or absence of particular proteins embedded in the cell It is quicker and less expensive than DNA profiling Produces blood evidence but can still link a suspect to a crime scene or exclude a suspect The presence or absence of cell-surface proteins determines a person’s blood type. True or false?

Explanation:

Blood types are determined by the presence or absence of certain antigens – substances that can trigger an immune response if they are foreign to the body

Some antigens can trigger a patient's immune system to attack the transfused blood, safe blood transfusions depend on careful blood typing and cross-matching

There are four major blood groups determined by the presence or absence of two antigens: A and B on the surface of red blood cells

In addition to the A and B antigens, there is a protein called the Rh factor, which can be either present or absent creating the 8 most common blood types which are A+,A-.B+,B-O+,O-,AB+,AB-

Blood type is inherited and it is determined by the blood type of both father and mother

Blood type helps in DNA fingerprinting and forensic science and plays an important role in determining blood relations or to identify the suspect

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