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[moh-zey-uh-siz-uh m] /moʊˈzeɪ əˌsɪz əm/
noun, Biology.
a condition in which an organism or part is composed of two or more genetically distinct tissues owing to experimental manipulation or to faulty distribution of genetic material during mitosis.
Origin of mosaicism
First recorded in 1925-30; mosaic + -ism Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2017.
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mosaicism in Medicine

mosaicism mo·sa·i·cism (mō-zā'ĭ-sĭz'əm)
A condition in which tissues of genetically different types occur in the same organism.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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