Humans have different blood types because of the way their bodies are built. Blood type is like a special code that lives in your red blood cells. Some people have an A code, others have a B code, and some have both or neither. This code can even change based on what kind of family you come from, just like how traits pass from parents to kids.
Examples
- If both parents have type B blood, their child might have type B or O blood.
- Type AB is the universal recipient, meaning they can accept blood from any other type.
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See also
- What are genetic variants?
- What are genetic advantages?
- What are nucleic acids?
- What are rna molecules?
- What are punnett squares?