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Negative_selection
Negative selection
Negative selection may refer to:
- In biology:
- Negative selection (natural selection), in natural selection it refers to the selective removal of rare alleles that are deleterious.
- Negative selection (artificial selection), in artificial selection it refers to where negative, rather than positive, traits of a species are selected for.
- In politics:
- Negative selection (politics), is a process that occurs in rigid hierarchies, most notably dictatorships.
- In immunology:
- Negative selection (immunology) T-cells that recognize self MHC molecules (and peptides) with high affinity are deleted from the repertoire of cells. Central tolerance is produced. Avoids auto-immunity. Occurs after positive selection.
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Last updated on Wednesday September 24, 2008 at 20:22:26 PDT (GMT -0700)
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This article is licensed under the GNU Free Documentation License.
Last updated on Wednesday September 24, 2008 at 20:22:26 PDT (GMT -0700)
View this article at Wikipedia.org - Edit this article at Wikipedia.org - Donate to the Wikimedia Foundation
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