Unit 4 - Blood types and blood compatibility

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6 Terms

1
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what system is used for human blood typing?

ABO system

2
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what is the ABO blood typing system based on?

a two - allele system with a codominant condition

3
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what are the 4 ABO blood types?

A, B, O, AB

4
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What is an antigen?

a cell-surfaced protein used to identify non-self cells

5
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what is an antibody?

protein created by the immune system in response to non-self antigens

6
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what does the positive or negative sign in a blood type represent?

The Rh factor (antigen)