Mosaicism
The occurrence in an individual of two or more cell populations of different chromosomal constitutions, derived from a single ZYGOTE, as opposed to CHIMERISM in which the different cell populations are derived from more than one zygote.
Year introduced: 1967(1964)
Date introduced: January 1, 1999
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Tree Number(s): G05.365.590.175.595
MeSH Unique ID: D009030
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