But after many efforts by Fairchild, she was able to prove that the children were her own and that she was a twin of her own self.Īnother woman, Karen Keegan from Boston was found to be a chimeric twin of her own self. The court suspected him of being a surrogate mother and ordered to take the custody of the children off her. Fairchild was astonished and so were others as they all remembered her bearing the kids and giving the births. When the DNA test results came, she was shocked to see them as they clearly pointed out that none of the DNA sequences matched with her kids whatsoever. Lydia Fairchild came across this strange character about herself when she had to prove that her children were related to her in Washington court. The resulting foetus contains two typically different forms of DNA. This happens normally when the birth of twins is expected, but the individual two eggs rather than developing separating into two foetuses, fuse together to form one single organism. In such humans, when the process of fertilization occurs in female womb, two eggs that has been fertilized, fuse together in order to form one zygote/foetus that carries two distinct DNA codes. In the terms of human biology, a chimera is an organism who possess two (or more) different types of cells. Her DNA appeared to have two distinct forms. Lydia Fairchild is one such example of a human in which chimerism has been observed. Solid experimentation, blood reports and DNA analysis have confirmed the results so far in particular humans. Though it's a rare happening but human chimeras do exist and they contain two alternating forms of any feature or trait in their body. Although the phenomenon of chimerism has been observed far more vastly in animals, several cases have been there in which human chimeras have been identified.
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