Which оf the fоllоwing аre reаsonаble descriptors of the below phenomena? Choose ALL that apply. Blood type of A, B, AB, or O is determined primarily from a single locus within the genome. Your viewpoint is analyzing it at the level of the precense or absence of the different antigens. Do not consider the relative abundance of antigens as a difference. Ignore the concept of Rh factors when answering this. There is no partial credit for this question. Tip: Be careful to consider all possible combinations of alelles... I'm not really trying to trick you, but there are more than just surface level definitions present in this question.