妈妈和儿子的dna不同吗

Thank you, Junior Sister Ji, I am willing to join your group. Ning Cheng thanked him quickly. With his current level of cultivation, Yan Ji obviously invited him to join the group to help him. Yan Ji's motives are definitely different from Hang Jiaojiao's. As for why Yan Ji wants to help him, he still doesn't quite understand....