Triple Chimera
Karen Keegan is an Ohio woman that needed a kidney transplant in 2002. Doctors were amazed to find that Keegan not only possessed two different sets of DNA after the procedure, but she also had three equal parts of existing DNA within her body. Although it was never proven, it is assumed that Keegan was a birth chimera, and she had taken on the DNA of the person who gave her the kidney as well. Strangely enough, doctors are finding more and more ways in which people can obtain the DNA of someone else…