Look Only At Me!

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‘‘Look Only At Me!’’

Blood Group

Saturday, June 12, 2010 @ 10:56 AM

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A blood group is a classification of blood based on the presence or absence of inherited antigenic substances on the surface of red blood cells.
Blood group of an individual is determined by the presence of antigens in the blood, the most common of which are A and B. Type A blood has A antigens on red blood cells, type B has B antigens on red blood cells, type AB has both A and B antigens on the red blood cells, and type O does not have A or B antigen on the red blood cells. Blood type is determined by analyzing the blood cells through a blood test.

In the slide testing method shown above, three drops of blood are placed on a glass slide with liquid reagents. Agglutination indicates the presence of blood group antigens in the blood.The clear blood shows no agglutination which could tell us what antigens are present in the blood.Don't worry,we didn't use our own blood in the experiment.haha.

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