Mosaicism

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Mosaicism

Mosaicism (/moʊˈzeɪɪsɪzəm/) is a condition in which cells within the same person have a different genetic makeup. This can occur as a result of an error in cell division early in fetal development.

Etymology

The term "Mosaicism" is derived from the artistic process of creating images with small pieces of colored glass, stone, or other materials, known as mosaics. This is used to represent the multiple types of cells that can be present in one individual.

Types of Mosaicism

There are several types of mosaicism, including:

  • Gonadal mosaicism - This type of mosaicism is confined to the egg or sperm cells.
  • Somatic mosaicism - This type of mosaicism occurs in the somatic (body) cells.
  • Germline mosaicism - This type of mosaicism is present in the cells that develop into eggs or sperm.

Related Terms

  • Chimera - A single organism composed of cells with more than one distinct genotype.
  • Genotype - The genetic constitution of an individual organism.
  • Phenotype - The set of observable characteristics of an individual resulting from the interaction of its genotype with the environment.

See Also

External links

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