Questions: A person who is blood type A would have lg M hemagglutinin antibodies against type red blood cells in their plasma.

A person who is blood type A would have lg M hemagglutinin antibodies against type red blood cells in their plasma.
Transcript text: A person who is blood type A would have $\lg M$ hemagglutinin antibodies against type $\qquad$ $\square$ red blood cells in their plasma.
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Solution

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The answer is: B: B

Explanation:

  1. Blood type A individuals have A antigens on the surface of their red blood cells.
  2. They produce antibodies against the antigens that are not present on their own red blood cells.
  3. Therefore, a person with blood type A will have anti-B antibodies in their plasma.
  4. These antibodies will react against type B red blood cells.

In summary, a person with blood type A would have hemagglutinin antibodies against type B red blood cells in their plasma.

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