MICROANATOMY

Detailed explanation-1: -AB negative is the rarest of the eight main blood types-just 1% of our donors have it. Despite being rare, demand for AB negative blood is low and we don’t struggle to find donors with AB negative blood.

Detailed explanation-2: -The rarest blood type in the U.S. blood donor population is AB-negative, clocking in as the blood type for only 1% of the population. B-negative makes up only 2 percent of our population, followed by AB-positive at 4%.

Detailed explanation-3: -The AB blood type is so rare because the statistical probability of a person inheriting the A blood type allele from one parent and the B blood type allele from the other parent is small.

Detailed explanation-4: -One of the world’s rarest blood types is Rh-null. Fewer than 50 people in the world have this blood type. It’s so rare that it’s sometimes called “golden blood.”

Detailed explanation-5: -Less than 1% of the U.S. population have AB negative blood, making it the least common blood type among Americans. Patients with AB negative blood type can receive red blood cells from all negative blood types.