Type O people are a mixture of both A and B.

有三种血型:A、B和o型.

Form the beginning, both A and B assume this reciprocity of typification.

一开始, A和B都假定了这种交互作用类型.

If you inherit one of each, the resulting codominance will produce both A and B antigens, which is type AB.

如果你每一种基因继承了一个，根据共显性会同时生产出A和B抗原，这就是AB型血。