Why do blood types exist and what determines yours? Explore the science behind A, B, AB, and O blood groups, t! Swipe to see →
Do you know your blood type? A+, O-, AB+? But have you ever stopped to think why different types of blood exist? Why don't we all have th...
Blood types are classifications based on the presence or absence of certain proteins (antigens) on the surface of red blood cells (erythr...
Your blood type is determined by two genes (one from each parent) located on chromosome 9. There are three possible alleles: A (dominant)...
The most accepted hypothesis is that different blood types arose as evolutionary defenses against specific pathogens. Different antigens ...
When you receive incompatible blood, your antibodies attack the "invading" red blood cells. The red blood cells agglutinate — stick toget...
Promising research seeks to make compatibility irrelevant:
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