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chimera (biology)
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Chimera (biology)
In biology, an organism composed of tissues that are genetically different. Chimeras can develop naturally if a mutation occurs in a cell of a developing embryo, but are more commonly produced artificially by implanting cells from one organism into the embryo of another.
In the context of cloning research, chimeras between different animal species have been produced. In 2003, Chinese researchers stirred controversy with the production of an early stage embryo combining rabbit and human parts.
© Research Machines plc 2008. All rights reserved. Helicon Publishing is a division of Research Machines plc.
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Blue stands for the Pacific Ocean and water on which life depends. Yellow symbolizes the sun. Green represents the lush vegetation. Effective date: 18 November 1977.
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