Well A is a dominant trait meaning that both parents could have given A, or one parent is A and the other is O, O is recessive meaning to get O both parents have to give O. Now this is where it gets...
Ali Al-QhtaniThe ABO antigens are terminal sugars found at the end of long sugar chains (oligosaccharides) that are attached to lipids on the red cell membrane. The expression of ABO antigens is...