妈妈和儿子的dna不同吗

At 12:30 in the morning, Lu Feng asked Zheng Qing to go back first. He wanted to take a walk home, but Zheng Qing didn't think much and drove away first. Lu Feng, who stayed behind, sat in front of the bar. Seeing the guests coming and going, the number of remaining guests in the bar was getting smaller and smaller. He was thinking about what Chen Rumei wanted to do, and why did he go to her house alone to talk?...