Let's explore this in this article. Can O Positive Blood Group Marry Each Other: No one would have thought that blood type ...

and O. They are either negative or positive. But do you know that there is another rare blood group, that is very hard to detect and very few people have it? Yes, you guessed it right, it is the ...

Your blood group is determined by the genes you inherit ... the gene determining whether your blood type is A, AB, B or O. “The association of blood type with later-onset stroke was much weaker ...