妈妈和儿子的dna不同吗

After waiting for a while, the car door opened again, but this time it was not Liu Ruoyin but Mu Qingyu, holding a brand new set of clothes he had just bought. As soon as she saw Lu Feng lying on his seat with his lower body bare and bored, Mu Qingyu, who was originally worried, couldn't help bursting into laughter....