Definitions
from The American Heritage® Dictionary of the English Language, 5th Edition.
- noun A condition in which tissues of genetically different types occur in the same organism.
from Wiktionary, Creative Commons Attribution/Share-Alike License.
- noun genetics the condition in which more than one
genetically distinct population ofcells coexist within oneindividual
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- noun the condition in which an organism has two or more cell populations that differ in genetic makeup
Etymologies
from Wiktionary, Creative Commons Attribution/Share-Alike License
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Examples
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Gonadal mosaicism is a rare event, but it does occur.
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Here, a single-cell-level investigation of CNV in different human tissues led us to uncover the phenomenon of mitotically derived genomic mosaicism, which is stable in different cell types of one individual.
PLoS ONE Alerts: New Articles Hasmik Mkrtchyan et al. 2010
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Then, when Casey's eye starts to turn blue, she discovers that she's suffering from genetic mosaicism, meaning she was going to be a twin but the other fetus didn't survive the full term.
Metro Weekly (Newspaper Magazine of Gay and Lesbian DC) 2009
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When a subset of cells contains the same gene mutation or deletion like this, it's called to as gonadal mosaicism.
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In addition, we can detect mosaicism as low as 5 to 20% (varying with the meiotic or mitotic origin of the mosaicism).
Cytogenomics Lab 2010
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Recurrent 22q11. 2 deletion in a sibship suggestive of parental germline mosaicism in velocardiofacial syndrome.
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Another possibility that could account for a disconnect between genetics and appearance is mosaicism, in which the individual has more than one set of genes, in some cases, some cells could be XX and others XY.
Archive 2009-08-01 Dave 2009
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Another possibility that could account for a disconnect between genetics and appearance is mosaicism, in which the individual has more than one set of genes, in some cases, some cells could be XX and others XY.
Vive la différence Edstock 2009
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The answer appears to be that the single cell extracted from each embryo could be genetically slightly different from the others, and therefore not representative of the overall embryo, a condition known as mosaicism.
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In 1 case, a Polish sprinter with an apparent chromosomal mosaicism was stripped of her medals.
Archive 2009-09-01 Tenured Radical 2009
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