妈妈和儿子的dna不同吗

Brother Chao, can you tell us about the situation of Fenghuo Rock? I also have a preparation. Ning Cheng asked casually. He was indeed not afraid of Chao He and Ban Miaolei lying to him, but if Yu Zheng, who didn't know the details, was added to the mix, Ning Cheng would be more cautious....