妈妈和儿子的dna不同吗

I was in a hurry and didn't control my strength! Zhang Lei laughed sarcastically and then said: "However, this guy deserves it. He stalked us sneakily from behind. When he saw us spotting him, he turned around and ran away. Isn't he guilty of being a thief?" The key is to choose a good direction when running, right? Can you run back and forth?...