26-Year-Old Mother’s DNA Did Not Match With Her Kids For A Reason That Sent Ripples Through The Science Community

DNA Error

The cells of the absorbed twin do not vanish. Rather, they become a mass in one specific part of the surviving twin’s body. In Lydia’s case, the DNA of her twin was amassed in her womb. This is the reason why her children did not match her DNA. Chimerism has no more than 40 documented cases across the globe which makes this condition extremely rare.