Rakuteneefl

 · Blood group compatibility for marriage is limited to possible Rh factor incompatibility during pregnancy And that is further limited to pregnancy where both partners are the biological parentsType B This blood type has a marker known as B Type AB This blood type has both A and B markers Type O This blood type has neither A or B markers Blood is further classified as being either "Rh positive" (meaning it has Rh factor) or "Rh negative" (without Rh factor) So, there are eight possible blood types O negativeThere are basically four primary common Blood types The most common by far is Blood type O, followed by type A, type B, and the least common is Blood type AB Blood type is determined by the "alleles" that we inherit from our parents Alleles are different possible types of a particular gene, in this case the gene (s) controlling our Blood type Blood Types Explained A B Ab And O Red Cross Blood Services Blood type chart parent child rh ...