Which blood type has B antigens and anti-A antibodies?

Study for the Forensic Biology and DNA Analysis Test. Utilize multiple choice questions on blood, semen, and skeletal remains detection, with hints and explanations for comprehensive understanding. Enhance your preparation for success!

Multiple Choice

Which blood type has B antigens and anti-A antibodies?

Explanation:
In the ABO system, red blood cells carry specific antigens on their surface, while plasma contains antibodies against the other type(s). Type B blood has B antigens on the red cells and anti-A antibodies in the plasma. This combination matches the description of having B antigens and anti-A antibodies. Type A would have A antigens and anti-B antibodies; Type AB has both A and B antigens but no antibodies; Type O has neither A nor B antigens but both anti-A and anti-B antibodies. So the correct choice is Type B.

In the ABO system, red blood cells carry specific antigens on their surface, while plasma contains antibodies against the other type(s). Type B blood has B antigens on the red cells and anti-A antibodies in the plasma. This combination matches the description of having B antigens and anti-A antibodies. Type A would have A antigens and anti-B antibodies; Type AB has both A and B antigens but no antibodies; Type O has neither A nor B antigens but both anti-A and anti-B antibodies. So the correct choice is Type B.

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