Chimaera (genetics)
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A chimeric mouse with its offspring
A chimaera or chimera is a single organism (usually an animal) made of two kinds of genetically distinct cells. The two types of cells came from separate fertilised eggs or zygotes.[1]
If the different cells have come from the same zygote, the organism is called a mosaic. Chimaeras are formed from at least two fertilized eggs or early embryos fused together. Each population of cells keeps its own character and the resulting organism is a mixture of tissues. Chimaeras are typically seen in animals.
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- ↑ King R.C; Stansfield W.D. & Mulligan P.K. 2006. A dictionary of genetics. Oxford University Press, p73. ISBN 0-19-530761-5