Why Type O Is the Most Common Blood Type

The most common type of blood is being overtaken by other types. But all types are in huge demand—which is why everyone needs to donate!

Why is O the most common blood type in humans even though it is a recessive trait? - Quora

8 Most Common Blood Types (Infographic)

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Blood Types: History, Genetics, and Percentages Around the World - Owlcation

What Is The Most Common Blood Type?

April Oppliger (@AprilOpps) / X

Why is type O the most common blood type? - BBC Science Focus Magazine

What Is The Most Common Blood Type?

April Oppliger (@AprilOpps) / X