Blood types, Type A, B, AB & O

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How is blood type (A, B or O) determined by genes?

How Do Blood Types Work?

Human blood can be classified into four common blood types-A, B, AB, and O. It is also characterized by

An Overview of Blood Types

Blood Type Inheritance in Humans, Overview & Patterns - Video & Lesson Transcript

Difference Between Blood Groups A, B, AB, and O

Blood Types — Stanford Blood Center

Blood types, Type A, B, AB & O

ABO blood group system, Definition, Blood Type, & ABO Antigens

Blood Types and Matching, Blood Product Transfusions

Blood types, Type A, B, AB & O

Do you need to know your own blood group? - Health Service Navigator

Solved Background INFO There are four types of blood: A

Blood types: the not so bleeding obvious - Curious