妈妈和儿子的dna不同吗

As a result, Xukai, who was in seclusion, came out of seclusion immediately. Not only did he save Xu Liangzhi's soul in the shortest time, he also chased him out of Wugen Black City and killed the monk in the void. Later, Xukai helped Xu Liangzhi reshape his body and retreat again....