妈妈和儿子的dna不同吗

Even the doctor said that your vitality is very tenacious and your will to survive is also very strong. Even the two critical illnesses did not kill you. You are really lucky! Wu Zhengxiang said coldly, I think you must be hanging on to your last breath just to know the whereabouts of your precious grandson, or do you still hope that he can destroy me?...