Ma Haidong took out a second A4 sheet and said, “Mr. Gao, please take a look at this. It’s the blood type report for you and Gao Xiaobao. You have type O blood, while Gao Xiaobao has type AB.”

Gao Jiajun asked, “What does that prove?”

Ma Haidong explained, “From a medical perspective, if the father is type O, the child can only be type A or B, never AB. This result clearly indicates that you are not his biological father. Combined with the paternity test, I can ...