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Why can't a person with type B blood (recipient) receive a bloodtransfusion from someone with type A blood (donor)?

the recipient's anti-B antibodies will react with the donated Bantigens

the recipient's anti-A antibodies will bind to the A antigensof the donated blood cells

the recipient's anti-A and anti-B antibodies will react withthe donated blood cells

the recipient's anti-O antibodies will bind to the O antigen ofthe donated blood cells

no reaction would occur because the B-type individual does nothave antibodies

Many tens of thousands of people who were seen as \"unfit\" weresterilized or killed by the Nazi regime to intentionally preventthem from reproducing. This is an example of:

amniocentesis

positive natural selection

positive eugenics

negative eugenics

balanced polymorphism

How is innate immunity different from adaptive immunity?

Adaptive immunity is fast and generalized; innate immunity isslow and specific.

Innate immunity targets cancers and transplants; adaptiveimmunity targets viruses and bacteria.

Innate immunity is fast and generalized; adaptive immunity isslow and specific.

Adaptive immunity releases cytokines; innate immunity producesantibodies.

Innate immunity is present in fetuses and children whereasadaptive immunity is only present in adults.