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Is O Golden Blood?

Published in Blood types 2 mins read

No, O blood type is not golden blood. Golden blood is actually the nickname for Rh-null blood, one of the rarest blood types in the world.

Understanding Blood Types

Blood types are classified based on the presence or absence of specific antigens on the surface of red blood cells. The most well-known classifications are:

  • ABO blood group system: Includes blood types A, B, AB, and O.
  • Rh blood group system: Determines if your blood is Rh-positive or Rh-negative.

The O blood type, within the ABO system, can be either Rh-positive (O+) or Rh-negative (O-).

What is Golden Blood?

Golden blood, also known as Rh-null blood, is exceptionally rare. According to the reference provided, less than 50 people in the world are known to have this blood type. The reference also states that it's so rare it's sometimes referred to as "golden blood".

Why is Rh-null so rare?

Rh-null blood lacks all Rh antigens on the red blood cells. This rarity makes it very valuable in transfusions as it is considered to be a universal donor for red blood cells. This means that people with this blood can donate blood to anyone with a rare blood type within the Rh system.

Key Differences

Here is a table to clearly illustrate the differences:

Feature O Blood Rh-null (Golden Blood)
Classification ABO System Rh System
Commonality Relatively Common Extremely Rare
Antigens A or B antigens absent, can be Rh+ or Rh- Lacks all Rh antigens
Rarity Nickname Not Applicable Golden Blood

Conclusion

While O blood is common, "golden blood" refers to Rh-null blood, a significantly rarer and unique blood type. The two are completely different classifications, although O blood can exist in both the Rh positive and negative formats.