妈妈和儿子的dna不同吗

This person talked with Li Lingfan in Beiyi Town. We immediately went to ask Li Lingfan. I don't believe he can escape from Tianzhou. The tone of the speaker was murderous. If Ning Cheng were here, he would be able to recognize this person at first sight as Tang Guangxi, the sick man from the Red Star Sword Sect....