Why is type AB blood the rarest?

Rarest of All So A type people either inherited an A gene from both parents or an A gene from one parent and an O gene from the other. Same for B group people. People with AB blood inherited an A gene from one parent and a B gene from the other.

How rare is AB+ in the world?

AB+: 3.4\% AB-: 0.6\%

Is AB positive a rare blood type in the world?

Just 2\% of donors have AB positive blood making it one of the rarest blood types in the country.

How rare is AB positive India?

The study showed that O was the most common blood group (37.12\%) in the country closely followed by B at 32.26\%, followed by A at 22.88\% while AB was the least prevalent group at 7.74\%.

Is AB+ a rare blood type in India?

At IRCS, there is a repository of rare groups and subgroups but not the ultra-rare ones. For example, only 7-8\% people have AB+ blood group, among who one in five have the A2B subgroup.

Is AB rare?

AB- is only found in less than 1\% of the population, making it the most rare and highly in-demand blood type. AB is the most desirable blood type for platelet and plasma donations.

What is Indian blood type?

All major ABO blood alleles are found in most populations worldwide, whereas the majority of Native Americans are nearly exclusively in the O group.

Why is AB- a rare blood type?

Combined together, AB- is rare because all three of the alleles that contribute to the blood type are relatively rare. O is the most common blood allele and most humans are Rh+. I’m not sure anyone knows “why” it is rare, other than so few people have it.

What percentage of the population has AB negative blood?

The blood type is also the rarest blood types among all the blood group because it is present in only 1 out of 167 individuals. This means an approximately 0.6\% of the population has an AB negative blood. Not all of the ethnic groups share the same proportions of the AB negative blood type though.

What is the rarest blood type to donate?

According to various sources, only about 1 in 50 or so blood donors is B-, so B- donors are always in high demand to ensure that the supply is stable. Of the eight basic blood types, AB- is the rarest with less than 1\% (about 0.36\%) of the world’s population sharing this type.

Can I donate blood if I have AB- blood type?

Donors are encouraged to give platelets and/or plasma, but whole blood donations are always welcome. AB- can give red blood cells to both AB- and AB+ blood types. AB- can give platelets or plasma to a patient of any blood type. Those with AB- can receive red blood cells from all negative blood types.