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The Bombay phenotype, also known as hh blood group, is a rare blood type that lacks the H antigen and reacts to all ABO blood types. Learn about its discovery, incidence, biochemistry, and challenges for blood transfusion.
In Bombay, India, an individual was discovered to have an interesting blood type that reacted to other blood types in a way that had not been seen before. Serum from this individual contained antibodies that reacted with all RBCs from normal ABO phenotypes (i.e., groups O, A, B, and AB).
- Laura Dean
- 2005
- 2005
Learn about the Bombay Blood group, a rare blood phenotype discovered in Mumbai, India, and its implications for blood transfusion and genetics. Find out how to identify, donate and receive blood from this group, and download PDF notes for IAS exam preparation.
Jun 27, 2024 · The Bombay Blood Group (BBG) is a very rare blood type found in about 1 out of 10,000 people in India. People with BBG can only receive blood from other BBG individuals because their blood lacks the H antigen and has anti-H antibodies.
- Jayashree Narayanan
- 153
Sep 11, 2019 · The Bombay blood group, also called hh, is deficient in expressing antigen H, meaning the RBC has no antigen H. For instance, in the AB blood group, both antigens A and B are found. A will have A antigens; B will have B antigens. In hh, there are no A or B antigens. Rare in India, rarer globally.
- 153
Jul 13, 2018 · Bombay blood group is a very rare blood type that always shows up as type O on a blood test. It is caused by a broken version of a gene that affects the H antigen, which is the last sugar on the red blood cell chain.
Dec 31, 2014 · This donor blood type was then named by Dr. Bhende and others as the ‘Bombay Blood Type.’ Technically it is now termed the (hh) type of blood. What is the biology behind this exceptional blood...
