Bombay blood group is the rarest blood group. First found in Bombay (Mumbai) in India, hence called Bombay blood group. It is observed to. El fenotipo Bombay es el nombre que recibe un tipo de sangre poco oligosacarido las personas _ _ hh no poseen ningún antígeno en la. El fenotipo Bombay es el nombre que recibe un tipo de sangre poco frecuente en antígeno A o B. Es necesario no confundir a esta persona Bombay con una.

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So, the most widely used blood grouping system is the ABO Blood grouping system. You must be aware of it? Normally, everybody has a H antigen which is converted to their gombay glycoprotein depending upon the enzyme glucosyltransferases which is carried by the person. A person with Blood Group B has an enzyme which adds a galactose to the H antigen.

Since it is codominant inheritence.

A person with Blood Group O has no enzyme. Therefore, it just has the simple H antigen. Now, coming to a person with a Bombay Blood Group. They do not have any H antigen. This makes them unable to produce the A or B antigens.

hh blood group

Bombay Blood Group is generally present in about 0. Given that this condition is very rare, any person with this blood group who needs an urgent blood transfusion will bombag be unable to get it, as no blood bank would have any in stock. Those anticipating the need for blood transfusion may bank blood for their own use, but of course this option is not available in cases of accidental injury.

ABO blood group system – Wikipedia. Bombay phenotype occurs in individuals who have inherited two recessive alleles of the H gene ie: These individuals do not bokbay the H carbohydrate that is the precursor to the A and B antigens, meaning that individuals may possess alleles for either or both of the A and B alleles without being able to express them.

Because both parents must carry this recessive allele to transmit this blood type to their children, the condition mainly occurs in small closed-off communities where there is a good chance of both parents of a child either being of Bombay type, or being heterozygous for the h allele and so carrying the Bombay characteristic as recessive. Other examples may include anyigeno families, which are inbred due to custom rather than local genetic variety.


This is the rarest form of blood group which is also known as HH blood group. This blood group was first detected in a person from Bombay and so it is named as Bombay blood group. People with Bombay blood group can donate their blood to any one irrespective of their blood group as there are no h-antigens present on RBCs of such people. On abtigeno other hand they can take blood antigsno Bombay blood group only.

Blood group is determined by the presence of A and B antigen protein on blood cells. All these have an additional antigen called Antigen H. It was 1st found in a person belonging to Mumbai and this blood group people are more prevalent in Mumbai. Researchers found this in the tribes near Mumbai mostly and so they say that it is more prevalent among Mumbai. Antugeno with this blood group can donate blood antlgeno others but can receive blood only from same group persons.

It is also called the HH group. The peculiarity is that they do not express the H antigen. Bomgay a result they cannot form A antigens or B antigens on their red blood cells. Thus they can donate blood to anybody with ABO grouping but can receive blood only from Bombay blood group people.

Cutting the jargon out, its a very rare blood group that can donate blood to anybody, antigenp of what group the recepient is. Individuals antiyeno the rare Bombay phenotype hh do not express H antigen also called substance Hthe antigen which is present in blood group O.

As a result, they cannot make A antigen also called substance A or B antigen substance B on their red blood cells, whatever alleles they may have of the A and B blood. Ask New Question Sign In.

What is the Bombay Blood group? The dead giveaway that tells you when Amazon has the best price.

This tool looks for lower prices at other stores while you shop on Amazon and tells you where to buy. Start Now at wikibuy. You dismissed this ad. The feedback you provide will help us show you more relevant content in the future. What exactly is the Bombay blood group? Let me first explain, what this blood grouping system based upon. He owes his success to 1 strategy. Learn More at ragingbull. How do people test for blood type for people with the Bombay blood group if it always comes out as O?


Is the Bombay blood group related to O b Which blood group is known as Bombay Blood Group? Often the Bombay blood group is mistaken for the O blood group.

How can this confusion be avoided? What is Bombay blood group? How it difference from other blood groups? Answered Mar 31, This might be known to some but I think it is worth sharing.

What is the Bombay Blood group? – Quora

About Indians are registered to have Bombay blood group. Answered Jul antiggeno, Remove threats and optimize your Chrome with military-grade tech. See for yourself how vulnerable you are. Take Guardio for a ride. Shop Now at guard. Answered Jul 20, Answered Mar 16, Answered Dec 17, Answered Jun 18, Answered Jun 6, He is the custodian of the database of this rare Blood group all over the country. Related Questions What is H blood group?

What is the rarest blood type? Why is the Rh negative blood group considered “royal blood”? Why is the HH blood group called the “Bombay blood group”? Is there any story behind it? What is the significance of the Bombay blood group? What is special about Bombay blood group? Do animals have blood groups? Does anybody on Anfigeno have a Bombay blood group? What is the difference between O negative blood group and Bombay blood group? Does the Bombay blood group exist in the world?

Can someone with Bombay blood take a transplant from other blood groups? Do aimals have blood groups? How do you differentiate the negative blood group and the Bombay blood group? Still have a question? What is H blood group?