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Where is the ABO blood group gene located?
GeneticsBlood
Quick Answer
The ABO blood group gene is located on chromosome 9 in humans. It helps determine whether a person has A, B, AB, or O blood type.
The Full Story
The ABO gene is found on the long arm of chromosome 9, in the nuclear genome. It encodes an enzyme that modifies antigens on the surface of red blood cells. Different alleles of this gene produce the A and B antigens, while the O allele usually produces an inactive enzyme. ABO blood typing has been used in medicine and transfusion practice for more than a century.
Key Facts
1.Located on chromosome 9
2.Determines ABO blood type
3.Important in transfusion compatibility
YouTube Angle
Suggested video title for this topic:
"The chromosome address behind the world’s most famous blood types."