WAEC - Biology (1988 - No. 38)
During blood transfusion, agglutination may occur as a result of the reaction between
similar antigens and antibodies
contrasting antigens and antibodies
two different antigens
two different antibodies
white blood cells from the two individuals.
Explanation
|
Blood group (ABO system) |
Anti- A serum | Anti- B serum |
| A | Clumping | No clumping |
| B | No clumping | Clumping |
| AB | Clumping | Clumping |
| O | No clumping | No clumping |
Note that the contrasting antibodies clump, as well as the contrasting antigens.
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