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  1. Chimera (genetics) - Wikipedia

    A genetic chimerism or chimera (/ kaɪˈmɪərə, kɪ -/ ky-MEER-ə, kih-) is a single organism composed of cells of different genotypes. Animal chimeras can be produced by the fusion of two (or more) embryos.

  2. Chimerism: Definition, Symptoms, Testing, Diagnosis, and More

    Nov 29, 2018 · Chimerism is a rare condition in which a person’s body contains two different sets of DNA. While some high-profile cases have made headlines, typically, this condition has no symptoms.

  3. What to Know About Chimerism - WebMD

    Sep 24, 2024 · To explore chimerism in humans, we must first understand how it can happen in the first place. What is Chimerism? Chimerism in humans can occur when a mom is pregnant with twins. If …

  4. Chimerism Symptoms: Signs You May Have Two Sets of DNA

    Aug 3, 2025 · Chimerism is a rare biological phenomenon where an individual possesses cells originating from two or more distinct zygotes. This fascinating condition challenges the typical …

  5. This Woman Is Her Own Twin: What Is Chimerism? - Live Science

    Feb 28, 2018 · 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 …

  6. Chimerism: You Can Be Your Own Twin - HowStuffWorks

    Mar 12, 2024 · Beyond genetic origins, chimerism can occur through organ or tissue transplants and blood transfusions, and it is commonly observed as microchimerism during and after pregnancy.

  7. What Are Human Chimeras? | Ask A Biologist

    How is this possible? It turns out that Fairchild had a very rare condition called chimerism. Chimerism is when an organism inherits two sets of DNA instead of one. This happens in organisms of all kinds – …

  8. Definition of chimerism - NCI Dictionary of Cancer Terms

    A condition in which some cells or tissues in a person’s body contain at least two different sets of DNA. Chimerism can occur in different ways. One way it can occur is through an organ or stem cell …

  9. What is a chimera? Chimerism, explained | BabyCenter

    A chimera is the term for someone who has more than one set of DNA. Here's how this very rare condition happens, and why chimerism is often associated with…

  10. Chimerism in humans: causes, symptoms, diagnosis, treatment

    Jun 26, 2018 · Chimerism occurs during intrauterine development. It occurs when two fertilized eggs merge, one of which absorbs the other, as well as when the genetic information of the embryo and …