Muhl’s case is especially unique because she displays the symptoms externally, not just internally.
Chimerism is an extremely rare medical condition and is when an individual is composed of two or more genetically distinct cell lines originating from different zygotes. Pictured: Scientists have been trying to figure out how the formation takes place and experimented on mice
In some cases, women have failed maternity tests for their children as a result of Chimeric genes.
These women had different blood DNA from their children because the DNA of the children belonged to the twin.
Boston woman Karen Keegan discovered in 2002 that she wasn’t the mother of her children when she was tested alongside of them for compatibility when she was in need of a kidney transplant.
It was discovered that her ovaries held different genes to her blood cells, and that the true genetic mother of her two sons was a twin whom she absorbed in the womb.
In 2006, another woman named Lydia Fairchild, of Washington state, discovered that she was not the mother of her children when she underwent testing as a requirement for applying for government aid following the breakdown of her relationship with the children’s father.
The children were nearly removed from her custody before extensive testing revealed that she was a Chimera, and therefore her own twin.
Via DayliMail
