妈妈和儿子的dna不同吗

When Chaoyang was a child, she read the training of women and knew that she was a wife and should not worry about or make plans for her husband. Xuan Lan's official career was not easy, and my father had always been unhappy with him, so I never spoke. Everything he has now is hard-earned, and he has worked hard bit by bit to get it. My father was unwilling to help, but I had to help him....