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SCIENCE: This Woman Is Her Own Twin: What Is Chimerism?

chimera

Twins often feel like they have a special connection, but for one California woman, the connection is particularly visceral — she is her own twin. The woman, singer Taylor Muhl, has a condition called chimerism, meaning she has two sets of DNA, each with the genetic code to make a separate person. The rare condition can happen during fetal development; in Muhl’s case, she had a fraternal twin that she absorbed in the womb, she told People magazine. The condition explains why Muhl has what appears to be a large birthmark on her torso. One side has a different skin … Read more