妈妈和儿子的dna不同吗

Then he said that in this demon-slaying battlefield, according to the patriarch of the Gongsun Royal Family, there were many demons in it, countless in number. But the War of Hundreds of Clans has been going on for a long time, and I don’t know how many times it has been started up to now. No matter how many demons there are, there is a limit after all. Can’t they all be killed?...