O positive blood is a blood type within the ABO blood group sytem. This blood type belongs to the O group and is the most common blood type found globally. Those with O positive blood can donate blood to all positive blo... More »

The O positive blood type is not a rare blood type. It is the most common blood type, according to the American Red Cross. The rarest blood type is AB negative. More »

According to Kids Health, it is possible for a person with an O positive blood type and a person with an O negative blood type to conceive a child together. Preventative care must be taken, otherwise the child can develo... More »

The O positive blood type is not a rare blood type. It is the most common blood type, according to the American Red Cross. The rarest blood type is AB negative. More »

Determining blood type requires that both ABO typing and a test for the blood's Rh factor are performed by a trained professional, states MedlinePlus. The test has several steps that use the reaction of blood to sets of ... More »

The presence of certain alleles on the ABO gene determines blood type. An allele is a piece of genetic information found on a specific chromosome, as defined by Arizona State University. There are six possible genetic co... More »

A universal recipient is an individual with the blood group type AB, which means they can receive blood from a person with any other blood type. There are four main blood group types: AB, O, A, and B. Blood types are ide... More »

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