![]() ![]() One simple difference between them is that o negative is one of the rarest types of blood while o positive is the most common form of blood type. Another way of explaining the difference is that in the case of O negative blood group it does not have A, B or D antigens while O positive has the D but does not have A or B antigens. If a person has the D antigen present in their blood the group is known as positive rhesus while if the individual does not have D antigen, the blood group will be known as negative rhesus which forms the primary different between negative and positive o groups. Since O group does not have any antigens, they contain rhesus. Elaborating it further, an individual who has O negative blood group can give blood to everyone but cannot use other blood types while a person with O positive blood group cannot give blood to others but can accept all the types of blood. ![]() The main difference between O Positive and O Negative is that only the latter one is a universal donor while the first one cannot be transfused in other people’s body. These differences will be discussed here along with other explanations. Although the differences are not much, these are enough to raise confusion in people’s mind, and they may consider them the same. Two of them are O Positive and O Negative, which are universal donors but have differences in them. All of them have a positive and negative form which completes the eight different ones. These can be Group A, Group B, group AB or Group O. There are eight main types of blood, and a human being can have only one type of blood. Antigens are substances which can cause a response when cells come in contact with something foreign. Because of this feature, blood in unique human beings has different characteristics and therefore it divided into different types based on the presence and absence of different antigens. Blood consist of cells which have various functions and are made up of different particles. This is because everyone has a different group and blood can be transferred from one body or the other if it has the same characteristics. Whenever we visit a hospital or to blood donor camps we see that our blood group is tested. ![]()
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